Home / 12,643,303.69-17,447,812.28-6,842,085.71

Finding the Fourth Proportional to 12,643,303.69, 17,447,812.28 and 6,842,085.71

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Solution

The fourth proportional to 12,643,303.69, 17,447,812.28 and 6,842,085.71 is: 9,442,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,303.69 : 17,447,812.28 = 6,842,085.71 : x
  2. Step 2: Convert to fraction form
    12,643,303.69/17,447,812.28 = 6,842,085.71/x
  3. Step 3: Cross multiply
    12,643,303.69x = 17,447,812.28 × 6,842,085.71
  4. Step 4: Simplify right side
    12,643,303.69x = 119,379,427,071,750.53
  5. Step 5: Solve for x
    x = 119,379,427,071,750.53/12,643,303.69
  6. Step 6: Final answer
    x = 9,442,107.06

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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.