Home / 49,771,913.40-74,657,870.10-13,870,121.40

Finding the Fourth Proportional to 49,771,913.40, 74,657,870.10 and 13,870,121.40

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Solution

The fourth proportional to 49,771,913.40, 74,657,870.10 and 13,870,121.40 is: 20,805,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,771,913.40 : 74,657,870.10 = 13,870,121.40 : x
  2. Step 2: Convert to fraction form
    49,771,913.40/74,657,870.10 = 13,870,121.40/x
  3. Step 3: Cross multiply
    49,771,913.40x = 74,657,870.10 × 13,870,121.40
  4. Step 4: Simplify right side
    49,771,913.40x = 1,035,513,721,752,430.12
  5. Step 5: Solve for x
    x = 1,035,513,721,752,430.12/49,771,913.40
  6. Step 6: Final answer
    x = 20,805,182.10

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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.