Home / 39,153,904.80-58,730,857.20-12,230,282.40

Finding the Fourth Proportional to 39,153,904.80, 58,730,857.20 and 12,230,282.40

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Solution

The fourth proportional to 39,153,904.80, 58,730,857.20 and 12,230,282.40 is: 18,345,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153,904.80 : 58,730,857.20 = 12,230,282.40 : x
  2. Step 2: Convert to fraction form
    39,153,904.80/58,730,857.20 = 12,230,282.40/x
  3. Step 3: Cross multiply
    39,153,904.80x = 58,730,857.20 × 12,230,282.40
  4. Step 4: Simplify right side
    39,153,904.80x = 718,294,969,150,073.38
  5. Step 5: Solve for x
    x = 718,294,969,150,073.38/39,153,904.80
  6. Step 6: Final answer
    x = 18,345,423.60

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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.