Home / 19,931,970.80-29,897,956.20-10,838,424.80

Finding the Fourth Proportional to 19,931,970.80, 29,897,956.20 and 10,838,424.80

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Solution

The fourth proportional to 19,931,970.80, 29,897,956.20 and 10,838,424.80 is: 16,257,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,970.80 : 29,897,956.20 = 10,838,424.80 : x
  2. Step 2: Convert to fraction form
    19,931,970.80/29,897,956.20 = 10,838,424.80/x
  3. Step 3: Cross multiply
    19,931,970.80x = 29,897,956.20 × 10,838,424.80
  4. Step 4: Simplify right side
    19,931,970.80x = 324,046,749,947,393.75
  5. Step 5: Solve for x
    x = 324,046,749,947,393.75/19,931,970.80
  6. Step 6: Final answer
    x = 16,257,637.20

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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.