Home / 14,805,288.80-20,423,420.40-9,005,844.32

Finding the Fourth Proportional to 14,805,288.80, 20,423,420.40 and 9,005,844.32

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Solution

The fourth proportional to 14,805,288.80, 20,423,420.40 and 9,005,844.32 is: 12,423,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805,288.80 : 20,423,420.40 = 9,005,844.32 : x
  2. Step 2: Convert to fraction form
    14,805,288.80/20,423,420.40 = 9,005,844.32/x
  3. Step 3: Cross multiply
    14,805,288.80x = 20,423,420.40 × 9,005,844.32
  4. Step 4: Simplify right side
    14,805,288.80x = 183,930,144,604,312.12
  5. Step 5: Solve for x
    x = 183,930,144,604,312.12/14,805,288.80
  6. Step 6: Final answer
    x = 12,423,273.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.