Home / 28,512,110.10-42,768,165.15-10,316,270.10

Finding the Fourth Proportional to 28,512,110.10, 42,768,165.15 and 10,316,270.10

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Solution

The fourth proportional to 28,512,110.10, 42,768,165.15 and 10,316,270.10 is: 15,474,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,110.10 : 42,768,165.15 = 10,316,270.10 : x
  2. Step 2: Convert to fraction form
    28,512,110.10/42,768,165.15 = 10,316,270.10/x
  3. Step 3: Cross multiply
    28,512,110.10x = 42,768,165.15 × 10,316,270.10
  4. Step 4: Simplify right side
    28,512,110.10x = 441,207,943,368,807
  5. Step 5: Solve for x
    x = 441,207,943,368,807/28,512,110.10
  6. Step 6: Final answer
    x = 15,474,405.15

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1.5x scale

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.