Home / 15,461,420.91-23,171,956.27-8,637,718.47

Finding the Fourth Proportional to 15,461,420.91, 23,171,956.27 and 8,637,718.47

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Solution

The fourth proportional to 15,461,420.91, 23,171,956.27 and 8,637,718.47 is: 12,945,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461,420.91 : 23,171,956.27 = 8,637,718.47 : x
  2. Step 2: Convert to fraction form
    15,461,420.91/23,171,956.27 = 8,637,718.47/x
  3. Step 3: Cross multiply
    15,461,420.91x = 23,171,956.27 × 8,637,718.47
  4. Step 4: Simplify right side
    15,461,420.91x = 200,152,834,550,922.16
  5. Step 5: Solve for x
    x = 200,152,834,550,922.16/15,461,420.91
  6. Step 6: Final answer
    x = 12,945,306.63

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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.