Home / 35,478,439.20-53,217,658.80-9,919,407.60

Finding the Fourth Proportional to 35,478,439.20, 53,217,658.80 and 9,919,407.60

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Solution

The fourth proportional to 35,478,439.20, 53,217,658.80 and 9,919,407.60 is: 14,879,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478,439.20 : 53,217,658.80 = 9,919,407.60 : x
  2. Step 2: Convert to fraction form
    35,478,439.20/53,217,658.80 = 9,919,407.60/x
  3. Step 3: Cross multiply
    35,478,439.20x = 53,217,658.80 × 9,919,407.60
  4. Step 4: Simplify right side
    35,478,439.20x = 527,887,649,154,926.81
  5. Step 5: Solve for x
    x = 527,887,649,154,926.81/35,478,439.20
  6. Step 6: Final answer
    x = 14,879,111.40

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1.5x scale

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.