Home / 10,849,075.20-14,979,686.40-9,505,382.40

Finding the Fourth Proportional to 10,849,075.20, 14,979,686.40 and 9,505,382.40

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Solution

The fourth proportional to 10,849,075.20, 14,979,686.40 and 9,505,382.40 is: 13,124,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849,075.20 : 14,979,686.40 = 9,505,382.40 : x
  2. Step 2: Convert to fraction form
    10,849,075.20/14,979,686.40 = 9,505,382.40/x
  3. Step 3: Cross multiply
    10,849,075.20x = 14,979,686.40 × 9,505,382.40
  4. Step 4: Simplify right side
    10,849,075.20x = 142,387,647,464,079.38
  5. Step 5: Solve for x
    x = 142,387,647,464,079.38/10,849,075.20
  6. Step 6: Final answer
    x = 13,124,404.14

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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.