Home / 13,052,106.28-18,013,567.40-7,895,504.76

Finding the Fourth Proportional to 13,052,106.28, 18,013,567.40 and 7,895,504.76

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Solution

The fourth proportional to 13,052,106.28, 18,013,567.40 and 7,895,504.76 is: 10,896,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,106.28 : 18,013,567.40 = 7,895,504.76 : x
  2. Step 2: Convert to fraction form
    13,052,106.28/18,013,567.40 = 7,895,504.76/x
  3. Step 3: Cross multiply
    13,052,106.28x = 18,013,567.40 × 7,895,504.76
  4. Step 4: Simplify right side
    13,052,106.28x = 142,226,207,151,280.81
  5. Step 5: Solve for x
    x = 142,226,207,151,280.81/13,052,106.28
  6. Step 6: Final answer
    x = 10,896,801.18

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Double scale
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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.