Home / 28,353,391.50-39,127,877.10-16,130,248.50

Finding the Fourth Proportional to 28,353,391.50, 39,127,877.10 and 16,130,248.50

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Solution

The fourth proportional to 28,353,391.50, 39,127,877.10 and 16,130,248.50 is: 22,259,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353,391.50 : 39,127,877.10 = 16,130,248.50 : x
  2. Step 2: Convert to fraction form
    28,353,391.50/39,127,877.10 = 16,130,248.50/x
  3. Step 3: Cross multiply
    28,353,391.50x = 39,127,877.10 × 16,130,248.50
  4. Step 4: Simplify right side
    28,353,391.50x = 631,142,380,900,459.38
  5. Step 5: Solve for x
    x = 631,142,380,900,459.38/28,353,391.50
  6. Step 6: Final answer
    x = 22,259,854.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.