Home / 9,087,665.89-12,540,777.10-5,013,283.81

Finding the Fourth Proportional to 9,087,665.89, 12,540,777.10 and 5,013,283.81

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Solution

The fourth proportional to 9,087,665.89, 12,540,777.10 and 5,013,283.81 is: 6,918,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087,665.89 : 12,540,777.10 = 5,013,283.81 : x
  2. Step 2: Convert to fraction form
    9,087,665.89/12,540,777.10 = 5,013,283.81/x
  3. Step 3: Cross multiply
    9,087,665.89x = 12,540,777.10 × 5,013,283.81
  4. Step 4: Simplify right side
    9,087,665.89x = 62,870,474,800,248.74
  5. Step 5: Solve for x
    x = 62,870,474,800,248.74/9,087,665.89
  6. Step 6: Final answer
    x = 6,918,220.32

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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.