Home / 13,428,543.22-20,148,768.51-7,037,276.02

Finding the Fourth Proportional to 13,428,543.22, 20,148,768.51 and 7,037,276.02

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Solution

The fourth proportional to 13,428,543.22, 20,148,768.51 and 7,037,276.02 is: 10,559,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,543.22 : 20,148,768.51 = 7,037,276.02 : x
  2. Step 2: Convert to fraction form
    13,428,543.22/20,148,768.51 = 7,037,276.02/x
  3. Step 3: Cross multiply
    13,428,543.22x = 20,148,768.51 × 7,037,276.02
  4. Step 4: Simplify right side
    13,428,543.22x = 141,792,445,467,954.12
  5. Step 5: Solve for x
    x = 141,792,445,467,954.12/13,428,543.22
  6. Step 6: Final answer
    x = 10,559,034.08

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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.