Home / 40,421,292.30-60,631,938.45-18,897,931.80

Finding the Fourth Proportional to 40,421,292.30, 60,631,938.45 and 18,897,931.80

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Solution

The fourth proportional to 40,421,292.30, 60,631,938.45 and 18,897,931.80 is: 28,346,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421,292.30 : 60,631,938.45 = 18,897,931.80 : x
  2. Step 2: Convert to fraction form
    40,421,292.30/60,631,938.45 = 18,897,931.80/x
  3. Step 3: Cross multiply
    40,421,292.30x = 60,631,938.45 × 18,897,931.80
  4. Step 4: Simplify right side
    40,421,292.30x = 1,145,818,237,729,897.75
  5. Step 5: Solve for x
    x = 1,145,818,237,729,897.75/40,421,292.30
  6. Step 6: Final answer
    x = 28,346,897.70

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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.