Home / 40,986,506.59-61,441,925.99-20,498,397.77

Finding the Fourth Proportional to 40,986,506.59, 61,441,925.99 and 20,498,397.77

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Solution

The fourth proportional to 40,986,506.59, 61,441,925.99 and 20,498,397.77 is: 30,728,674.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,986,506.59 : 61,441,925.99 = 20,498,397.77 : x
  2. Step 2: Convert to fraction form
    40,986,506.59/61,441,925.99 = 20,498,397.77/x
  3. Step 3: Cross multiply
    40,986,506.59x = 61,441,925.99 × 20,498,397.77
  4. Step 4: Simplify right side
    40,986,506.59x = 1,259,461,038,595,429
  5. Step 5: Solve for x
    x = 1,259,461,038,595,429/40,986,506.59
  6. Step 6: Final answer
    x = 30,728,674.96

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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.