Home / 19,931,856.30-29,897,784.45-10,838,310.30

Finding the Fourth Proportional to 19,931,856.30, 29,897,784.45 and 10,838,310.30

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Solution

The fourth proportional to 19,931,856.30, 29,897,784.45 and 10,838,310.30 is: 16,257,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,856.30 : 29,897,784.45 = 10,838,310.30 : x
  2. Step 2: Convert to fraction form
    19,931,856.30/29,897,784.45 = 10,838,310.30/x
  3. Step 3: Cross multiply
    19,931,856.30x = 29,897,784.45 × 10,838,310.30
  4. Step 4: Simplify right side
    19,931,856.30x = 324,041,465,151,614.88
  5. Step 5: Solve for x
    x = 324,041,465,151,614.88/19,931,856.30
  6. Step 6: Final answer
    x = 16,257,465.45

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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.