Home / 8,918,065.52-12,312,029.40-5,871,137.12

Finding the Fourth Proportional to 8,918,065.52, 12,312,029.40 and 5,871,137.12

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Solution

The fourth proportional to 8,918,065.52, 12,312,029.40 and 5,871,137.12 is: 8,105,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,065.52 : 12,312,029.40 = 5,871,137.12 : x
  2. Step 2: Convert to fraction form
    8,918,065.52/12,312,029.40 = 5,871,137.12/x
  3. Step 3: Cross multiply
    8,918,065.52x = 12,312,029.40 × 5,871,137.12
  4. Step 4: Simplify right side
    8,918,065.52x = 72,285,612,832,871.33
  5. Step 5: Solve for x
    x = 72,285,612,832,871.33/8,918,065.52
  6. Step 6: Final answer
    x = 8,105,526.10

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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.