Home / 13,095,199.38-18,070,510.55-7,865,099.82

Finding the Fourth Proportional to 13,095,199.38, 18,070,510.55 and 7,865,099.82

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Solution

The fourth proportional to 13,095,199.38, 18,070,510.55 and 7,865,099.82 is: 10,853,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095,199.38 : 18,070,510.55 = 7,865,099.82 : x
  2. Step 2: Convert to fraction form
    13,095,199.38/18,070,510.55 = 7,865,099.82/x
  3. Step 3: Cross multiply
    13,095,199.38x = 18,070,510.55 × 7,865,099.82
  4. Step 4: Simplify right side
    13,095,199.38x = 142,126,369,307,727.59
  5. Step 5: Solve for x
    x = 142,126,369,307,727.59/13,095,199.38
  6. Step 6: Final answer
    x = 10,853,318.47

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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.