Home / 9,679,143-13,357,217.34-5,387,804.76

Finding the Fourth Proportional to 9,679,143, 13,357,217.34 and 5,387,804.76

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Solution

The fourth proportional to 9,679,143, 13,357,217.34 and 5,387,804.76 is: 7,435,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679,143 : 13,357,217.34 = 5,387,804.76 : x
  2. Step 2: Convert to fraction form
    9,679,143/13,357,217.34 = 5,387,804.76/x
  3. Step 3: Cross multiply
    9,679,143x = 13,357,217.34 × 5,387,804.76
  4. Step 4: Simplify right side
    9,679,143x = 71,966,079,164,806.53
  5. Step 5: Solve for x
    x = 71,966,079,164,806.53/9,679,143
  6. Step 6: Final answer
    x = 7,435,170.57

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1.5x scale

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.