Home / 28,006,988.10-42,010,482.15-10,961,996.10

Finding the Fourth Proportional to 28,006,988.10, 42,010,482.15 and 10,961,996.10

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Solution

The fourth proportional to 28,006,988.10, 42,010,482.15 and 10,961,996.10 is: 16,442,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,988.10 : 42,010,482.15 = 10,961,996.10 : x
  2. Step 2: Convert to fraction form
    28,006,988.10/42,010,482.15 = 10,961,996.10/x
  3. Step 3: Cross multiply
    28,006,988.10x = 42,010,482.15 × 10,961,996.10
  4. Step 4: Simplify right side
    28,006,988.10x = 460,518,741,487,419.56
  5. Step 5: Solve for x
    x = 460,518,741,487,419.56/28,006,988.10
  6. Step 6: Final answer
    x = 16,442,994.15

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.