Home / 10,120,656.20-13,966,663.08-5,537,054.12

Finding the Fourth Proportional to 10,120,656.20, 13,966,663.08 and 5,537,054.12

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Solution

The fourth proportional to 10,120,656.20, 13,966,663.08 and 5,537,054.12 is: 7,641,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,656.20 : 13,966,663.08 = 5,537,054.12 : x
  2. Step 2: Convert to fraction form
    10,120,656.20/13,966,663.08 = 5,537,054.12/x
  3. Step 3: Cross multiply
    10,120,656.20x = 13,966,663.08 × 5,537,054.12
  4. Step 4: Simplify right side
    10,120,656.20x = 77,334,169,349,765.89
  5. Step 5: Solve for x
    x = 77,334,169,349,765.89/10,120,656.20
  6. Step 6: Final answer
    x = 7,641,220.87

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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.