Home / 8,989,953.40-13,484,930.10-8,840,654.20

Finding the Fourth Proportional to 8,989,953.40, 13,484,930.10 and 8,840,654.20

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Solution

The fourth proportional to 8,989,953.40, 13,484,930.10 and 8,840,654.20 is: 13,260,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,953.40 : 13,484,930.10 = 8,840,654.20 : x
  2. Step 2: Convert to fraction form
    8,989,953.40/13,484,930.10 = 8,840,654.20/x
  3. Step 3: Cross multiply
    8,989,953.40x = 13,484,930.10 × 8,840,654.20
  4. Step 4: Simplify right side
    8,989,953.40x = 119,215,603,925,271.41
  5. Step 5: Solve for x
    x = 119,215,603,925,271.41/8,989,953.40
  6. Step 6: Final answer
    x = 13,260,981.30

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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.