Home / 12,140,316.01-18,223,438.14-5,227,219.93

Finding the Fourth Proportional to 12,140,316.01, 18,223,438.14 and 5,227,219.93

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Solution

The fourth proportional to 12,140,316.01, 18,223,438.14 and 5,227,219.93 is: 7,846,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,316.01 : 18,223,438.14 = 5,227,219.93 : x
  2. Step 2: Convert to fraction form
    12,140,316.01/18,223,438.14 = 5,227,219.93/x
  3. Step 3: Cross multiply
    12,140,316.01x = 18,223,438.14 × 5,227,219.93
  4. Step 4: Simplify right side
    12,140,316.01x = 95,257,919,038,530.12
  5. Step 5: Solve for x
    x = 95,257,919,038,530.12/12,140,316.01
  6. Step 6: Final answer
    x = 7,846,411.82

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1.5x scale

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.