Home / 42,528,007.80-63,792,011.70-25,479,905.40

Finding the Fourth Proportional to 42,528,007.80, 63,792,011.70 and 25,479,905.40

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Solution

The fourth proportional to 42,528,007.80, 63,792,011.70 and 25,479,905.40 is: 38,219,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,528,007.80 : 63,792,011.70 = 25,479,905.40 : x
  2. Step 2: Convert to fraction form
    42,528,007.80/63,792,011.70 = 25,479,905.40/x
  3. Step 3: Cross multiply
    42,528,007.80x = 63,792,011.70 × 25,479,905.40
  4. Step 4: Simplify right side
    42,528,007.80x = 1,625,414,423,391,693.25
  5. Step 5: Solve for x
    x = 1,625,414,423,391,693.25/42,528,007.80
  6. Step 6: Final answer
    x = 38,219,858.10

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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.