Home / 31,776,148.84-43,849,794.18-18,024,817.72

Finding the Fourth Proportional to 31,776,148.84, 43,849,794.18 and 18,024,817.72

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Solution

The fourth proportional to 31,776,148.84, 43,849,794.18 and 18,024,817.72 is: 24,873,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776,148.84 : 43,849,794.18 = 18,024,817.72 : x
  2. Step 2: Convert to fraction form
    31,776,148.84/43,849,794.18 = 18,024,817.72/x
  3. Step 3: Cross multiply
    31,776,148.84x = 43,849,794.18 × 18,024,817.72
  4. Step 4: Simplify right side
    31,776,148.84x = 790,384,547,154,016.75
  5. Step 5: Solve for x
    x = 790,384,547,154,016.75/31,776,148.84
  6. Step 6: Final answer
    x = 24,873,516.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.