Home / 9,713,887.04-13,406,739.36-5,641,868.16

Finding the Fourth Proportional to 9,713,887.04, 13,406,739.36 and 5,641,868.16

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Solution

The fourth proportional to 9,713,887.04, 13,406,739.36 and 5,641,868.16 is: 7,786,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,713,887.04 : 13,406,739.36 = 5,641,868.16 : x
  2. Step 2: Convert to fraction form
    9,713,887.04/13,406,739.36 = 5,641,868.16/x
  3. Step 3: Cross multiply
    9,713,887.04x = 13,406,739.36 × 5,641,868.16
  4. Step 4: Simplify right side
    9,713,887.04x = 75,639,055,924,602.78
  5. Step 5: Solve for x
    x = 75,639,055,924,602.78/9,713,887.04
  6. Step 6: Final answer
    x = 7,786,692.97

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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.