Home / 12,681,408.60-19,008,116.10-7,005,706.20

Finding the Fourth Proportional to 12,681,408.60, 19,008,116.10 and 7,005,706.20

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Solution

The fourth proportional to 12,681,408.60, 19,008,116.10 and 7,005,706.20 is: 10,500,826.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681,408.60 : 19,008,116.10 = 7,005,706.20 : x
  2. Step 2: Convert to fraction form
    12,681,408.60/19,008,116.10 = 7,005,706.20/x
  3. Step 3: Cross multiply
    12,681,408.60x = 19,008,116.10 × 7,005,706.20
  4. Step 4: Simplify right side
    12,681,408.60x = 133,165,276,812,089.83
  5. Step 5: Solve for x
    x = 133,165,276,812,089.83/12,681,408.60
  6. Step 6: Final answer
    x = 10,500,826.92

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1.5x scale

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.