Home / 10,123,237.60-15,184,856.40-9,343,790.80

Finding the Fourth Proportional to 10,123,237.60, 15,184,856.40 and 9,343,790.80

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Solution

The fourth proportional to 10,123,237.60, 15,184,856.40 and 9,343,790.80 is: 14,015,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123,237.60 : 15,184,856.40 = 9,343,790.80 : x
  2. Step 2: Convert to fraction form
    10,123,237.60/15,184,856.40 = 9,343,790.80/x
  3. Step 3: Cross multiply
    10,123,237.60x = 15,184,856.40 × 9,343,790.80
  4. Step 4: Simplify right side
    10,123,237.60x = 141,884,121,529,641.12
  5. Step 5: Solve for x
    x = 141,884,121,529,641.12/10,123,237.60
  6. Step 6: Final answer
    x = 14,015,686.20

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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.