Home / 10,145,881.47-15,202,868.04-7,845,988.53

Finding the Fourth Proportional to 10,145,881.47, 15,202,868.04 and 7,845,988.53

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Solution

The fourth proportional to 10,145,881.47, 15,202,868.04 and 7,845,988.53 is: 11,756,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145,881.47 : 15,202,868.04 = 7,845,988.53 : x
  2. Step 2: Convert to fraction form
    10,145,881.47/15,202,868.04 = 7,845,988.53/x
  3. Step 3: Cross multiply
    10,145,881.47x = 15,202,868.04 × 7,845,988.53
  4. Step 4: Simplify right side
    10,145,881.47x = 119,281,528,264,943.58
  5. Step 5: Solve for x
    x = 119,281,528,264,943.58/10,145,881.47
  6. Step 6: Final answer
    x = 11,756,645.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.