Home / 10,708,520.40-16,016,124.60-9,579,445.20

Finding the Fourth Proportional to 10,708,520.40, 16,016,124.60 and 9,579,445.20

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Solution

The fourth proportional to 10,708,520.40, 16,016,124.60 and 9,579,445.20 is: 14,327,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708,520.40 : 16,016,124.60 = 9,579,445.20 : x
  2. Step 2: Convert to fraction form
    10,708,520.40/16,016,124.60 = 9,579,445.20/x
  3. Step 3: Cross multiply
    10,708,520.40x = 16,016,124.60 × 9,579,445.20
  4. Step 4: Simplify right side
    10,708,520.40x = 153,425,587,922,071.91
  5. Step 5: Solve for x
    x = 153,425,587,922,071.91/10,708,520.40
  6. Step 6: Final answer
    x = 14,327,431.07

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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.