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Finding the Fourth Proportional to 29,986,959.60, 44,980,439.40 and 14,870,415.60

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Solution

The fourth proportional to 29,986,959.60, 44,980,439.40 and 14,870,415.60 is: 22,305,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,986,959.60 : 44,980,439.40 = 14,870,415.60 : x
  2. Step 2: Convert to fraction form
    29,986,959.60/44,980,439.40 = 14,870,415.60/x
  3. Step 3: Cross multiply
    29,986,959.60x = 44,980,439.40 × 14,870,415.60
  4. Step 4: Simplify right side
    29,986,959.60x = 668,877,827,748,614.62
  5. Step 5: Solve for x
    x = 668,877,827,748,614.62/29,986,959.60
  6. Step 6: Final answer
    x = 22,305,623.40

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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.