Home / 15,840,139.74-21,859,401.81-8,596,795.74

Finding the Fourth Proportional to 15,840,139.74, 21,859,401.81 and 8,596,795.74

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Solution

The fourth proportional to 15,840,139.74, 21,859,401.81 and 8,596,795.74 is: 11,863,582.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840,139.74 : 21,859,401.81 = 8,596,795.74 : x
  2. Step 2: Convert to fraction form
    15,840,139.74/21,859,401.81 = 8,596,795.74/x
  3. Step 3: Cross multiply
    15,840,139.74x = 21,859,401.81 × 8,596,795.74
  4. Step 4: Simplify right side
    15,840,139.74x = 187,920,812,359,156.28
  5. Step 5: Solve for x
    x = 187,920,812,359,156.28/15,840,139.74
  6. Step 6: Final answer
    x = 11,863,582.99

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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.