Home / 45,313,619.40-67,970,429.10-12,966,577.20

Finding the Fourth Proportional to 45,313,619.40, 67,970,429.10 and 12,966,577.20

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Solution

The fourth proportional to 45,313,619.40, 67,970,429.10 and 12,966,577.20 is: 19,449,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,313,619.40 : 67,970,429.10 = 12,966,577.20 : x
  2. Step 2: Convert to fraction form
    45,313,619.40/67,970,429.10 = 12,966,577.20/x
  3. Step 3: Cross multiply
    45,313,619.40x = 67,970,429.10 × 12,966,577.20
  4. Step 4: Simplify right side
    45,313,619.40x = 881,343,816,242,276.38
  5. Step 5: Solve for x
    x = 881,343,816,242,276.38/45,313,619.40
  6. Step 6: Final answer
    x = 19,449,865.80

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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.