Home / 12,861,706.40-19,292,363.04-4,348,023.20

Finding the Fourth Proportional to 12,861,706.40, 19,292,363.04 and 4,348,023.20

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Solution

The fourth proportional to 12,861,706.40, 19,292,363.04 and 4,348,023.20 is: 6,521,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,706.40 : 19,292,363.04 = 4,348,023.20 : x
  2. Step 2: Convert to fraction form
    12,861,706.40/19,292,363.04 = 4,348,023.20/x
  3. Step 3: Cross multiply
    12,861,706.40x = 19,292,363.04 × 4,348,023.20
  4. Step 4: Simplify right side
    12,861,706.40x = 83,883,642,080,742.53
  5. Step 5: Solve for x
    x = 83,883,642,080,742.53/12,861,706.40
  6. Step 6: Final answer
    x = 6,521,968.35

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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.