Home / 20,025,365.38-30,039,211.13-7,729,398.93

Finding the Fourth Proportional to 20,025,365.38, 30,039,211.13 and 7,729,398.93

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Solution

The fourth proportional to 20,025,365.38, 30,039,211.13 and 7,729,398.93 is: 11,594,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,365.38 : 30,039,211.13 = 7,729,398.93 : x
  2. Step 2: Convert to fraction form
    20,025,365.38/30,039,211.13 = 7,729,398.93/x
  3. Step 3: Cross multiply
    20,025,365.38x = 30,039,211.13 × 7,729,398.93
  4. Step 4: Simplify right side
    20,025,365.38x = 232,185,046,366,266.06
  5. Step 5: Solve for x
    x = 232,185,046,366,266.06/20,025,365.38
  6. Step 6: Final answer
    x = 11,594,547.31

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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.