Home / 15,613,316.52-21,559,603.20-9,813,966

Finding the Fourth Proportional to 15,613,316.52, 21,559,603.20 and 9,813,966

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Solution

The fourth proportional to 15,613,316.52, 21,559,603.20 and 9,813,966 is: 13,551,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613,316.52 : 21,559,603.20 = 9,813,966 : x
  2. Step 2: Convert to fraction form
    15,613,316.52/21,559,603.20 = 9,813,966/x
  3. Step 3: Cross multiply
    15,613,316.52x = 21,559,603.20 × 9,813,966
  4. Step 4: Simplify right side
    15,613,316.52x = 211,585,212,778,291.19
  5. Step 5: Solve for x
    x = 211,585,212,778,291.19/15,613,316.52
  6. Step 6: Final answer
    x = 13,551,586.72

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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.