Home / 9,665,985.16-13,338,700.95-5,314,812.58

Finding the Fourth Proportional to 9,665,985.16, 13,338,700.95 and 5,314,812.58

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Solution

The fourth proportional to 9,665,985.16, 13,338,700.95 and 5,314,812.58 is: 7,334,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665,985.16 : 13,338,700.95 = 5,314,812.58 : x
  2. Step 2: Convert to fraction form
    9,665,985.16/13,338,700.95 = 5,314,812.58/x
  3. Step 3: Cross multiply
    9,665,985.16x = 13,338,700.95 × 5,314,812.58
  4. Step 4: Simplify right side
    9,665,985.16x = 70,892,695,609,917.95
  5. Step 5: Solve for x
    x = 70,892,695,609,917.95/9,665,985.16
  6. Step 6: Final answer
    x = 7,334,244.20

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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.