Home / 19,931,970.30-29,897,955.45-10,838,424.30

Finding the Fourth Proportional to 19,931,970.30, 29,897,955.45 and 10,838,424.30

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Solution

The fourth proportional to 19,931,970.30, 29,897,955.45 and 10,838,424.30 is: 16,257,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,970.30 : 29,897,955.45 = 10,838,424.30 : x
  2. Step 2: Convert to fraction form
    19,931,970.30/29,897,955.45 = 10,838,424.30/x
  3. Step 3: Cross multiply
    19,931,970.30x = 29,897,955.45 × 10,838,424.30
  4. Step 4: Simplify right side
    19,931,970.30x = 324,046,726,869,597.44
  5. Step 5: Solve for x
    x = 324,046,726,869,597.44/19,931,970.30
  6. Step 6: Final answer
    x = 16,257,636.45

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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.