Home / 28,512,115.40-42,752,426.70-9,333,000.20

Finding the Fourth Proportional to 28,512,115.40, 42,752,426.70 and 9,333,000.20

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Solution

The fourth proportional to 28,512,115.40, 42,752,426.70 and 9,333,000.20 is: 13,994,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,115.40 : 42,752,426.70 = 9,333,000.20 : x
  2. Step 2: Convert to fraction form
    28,512,115.40/42,752,426.70 = 9,333,000.20/x
  3. Step 3: Cross multiply
    28,512,115.40x = 42,752,426.70 × 9,333,000.20
  4. Step 4: Simplify right side
    28,512,115.40x = 399,008,406,941,585.31
  5. Step 5: Solve for x
    x = 399,008,406,941,585.31/28,512,115.40
  6. Step 6: Final answer
    x = 13,994,345.96

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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.