Home / 25,337,643.80-38,009,455.01-18,988,252.45

Finding the Fourth Proportional to 25,337,643.80, 38,009,455.01 and 18,988,252.45

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Solution

The fourth proportional to 25,337,643.80, 38,009,455.01 and 18,988,252.45 is: 28,484,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337,643.80 : 38,009,455.01 = 18,988,252.45 : x
  2. Step 2: Convert to fraction form
    25,337,643.80/38,009,455.01 = 18,988,252.45/x
  3. Step 3: Cross multiply
    25,337,643.80x = 38,009,455.01 × 18,988,252.45
  4. Step 4: Simplify right side
    25,337,643.80x = 721,733,127,169,244.38
  5. Step 5: Solve for x
    x = 721,733,127,169,244.38/25,337,643.80
  6. Step 6: Final answer
    x = 28,484,618.89

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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.