Home / 25,437,124.35-37,983,387.80-20,190,875.20

Finding the Fourth Proportional to 25,437,124.35, 37,983,387.80 and 20,190,875.20

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Solution

The fourth proportional to 25,437,124.35, 37,983,387.80 and 20,190,875.20 is: 30,149,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,437,124.35 : 37,983,387.80 = 20,190,875.20 : x
  2. Step 2: Convert to fraction form
    25,437,124.35/37,983,387.80 = 20,190,875.20/x
  3. Step 3: Cross multiply
    25,437,124.35x = 37,983,387.80 × 20,190,875.20
  4. Step 4: Simplify right side
    25,437,124.35x = 766,917,842,698,521.38
  5. Step 5: Solve for x
    x = 766,917,842,698,521.38/25,437,124.35
  6. Step 6: Final answer
    x = 30,149,549.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.