Home / 8,247,867.40-12,371,801.10-7,184,985.40

Finding the Fourth Proportional to 8,247,867.40, 12,371,801.10 and 7,184,985.40

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Solution

The fourth proportional to 8,247,867.40, 12,371,801.10 and 7,184,985.40 is: 10,777,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247,867.40 : 12,371,801.10 = 7,184,985.40 : x
  2. Step 2: Convert to fraction form
    8,247,867.40/12,371,801.10 = 7,184,985.40/x
  3. Step 3: Cross multiply
    8,247,867.40x = 12,371,801.10 × 7,184,985.40
  4. Step 4: Simplify right side
    8,247,867.40x = 88,891,210,275,203.94
  5. Step 5: Solve for x
    x = 88,891,210,275,203.94/8,247,867.40
  6. Step 6: Final answer
    x = 10,777,478.10

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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.