Home / 16,643,503.80-24,967,988.10-5,128,973.01

Finding the Fourth Proportional to 16,643,503.80, 24,967,988.10 and 5,128,973.01

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Solution

The fourth proportional to 16,643,503.80, 24,967,988.10 and 5,128,973.01 is: 7,694,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643,503.80 : 24,967,988.10 = 5,128,973.01 : x
  2. Step 2: Convert to fraction form
    16,643,503.80/24,967,988.10 = 5,128,973.01/x
  3. Step 3: Cross multiply
    16,643,503.80x = 24,967,988.10 × 5,128,973.01
  4. Step 4: Simplify right side
    16,643,503.80x = 128,060,137,078,901.19
  5. Step 5: Solve for x
    x = 128,060,137,078,901.19/16,643,503.80
  6. Step 6: Final answer
    x = 7,694,301.55

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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.