Home / 39,611,781.60-59,417,672.40-18,088,421.10

Finding the Fourth Proportional to 39,611,781.60, 59,417,672.40 and 18,088,421.10

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Solution

The fourth proportional to 39,611,781.60, 59,417,672.40 and 18,088,421.10 is: 27,132,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611,781.60 : 59,417,672.40 = 18,088,421.10 : x
  2. Step 2: Convert to fraction form
    39,611,781.60/59,417,672.40 = 18,088,421.10/x
  3. Step 3: Cross multiply
    39,611,781.60x = 59,417,672.40 × 18,088,421.10
  4. Step 4: Simplify right side
    39,611,781.60x = 1,074,771,879,153,047.75
  5. Step 5: Solve for x
    x = 1,074,771,879,153,047.75/39,611,781.60
  6. Step 6: Final answer
    x = 27,132,631.65

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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.