Home / 18,852,046.20-28,292,066.10-7,500,641.40

Finding the Fourth Proportional to 18,852,046.20, 28,292,066.10 and 7,500,641.40

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Solution

The fourth proportional to 18,852,046.20, 28,292,066.10 and 7,500,641.40 is: 11,256,530.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852,046.20 : 28,292,066.10 = 7,500,641.40 : x
  2. Step 2: Convert to fraction form
    18,852,046.20/28,292,066.10 = 7,500,641.40/x
  3. Step 3: Cross multiply
    18,852,046.20x = 28,292,066.10 × 7,500,641.40
  4. Step 4: Simplify right side
    18,852,046.20x = 212,208,642,281,196.56
  5. Step 5: Solve for x
    x = 212,208,642,281,196.56/18,852,046.20
  6. Step 6: Final answer
    x = 11,256,530.99

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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.