Home / 21,842,442.60-32,763,663.90-20,496,125.40

Finding the Fourth Proportional to 21,842,442.60, 32,763,663.90 and 20,496,125.40

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Solution

The fourth proportional to 21,842,442.60, 32,763,663.90 and 20,496,125.40 is: 30,744,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842,442.60 : 32,763,663.90 = 20,496,125.40 : x
  2. Step 2: Convert to fraction form
    21,842,442.60/32,763,663.90 = 20,496,125.40/x
  3. Step 3: Cross multiply
    21,842,442.60x = 32,763,663.90 × 20,496,125.40
  4. Step 4: Simplify right side
    21,842,442.60x = 671,528,163,857,853
  5. Step 5: Solve for x
    x = 671,528,163,857,853/21,842,442.60
  6. Step 6: Final answer
    x = 30,744,188.10

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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.