Home / 8,912,856.12-12,299,890.86-4,838,475

Finding the Fourth Proportional to 8,912,856.12, 12,299,890.86 and 4,838,475

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Solution

The fourth proportional to 8,912,856.12, 12,299,890.86 and 4,838,475 is: 6,677,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,856.12 : 12,299,890.86 = 4,838,475 : x
  2. Step 2: Convert to fraction form
    8,912,856.12/12,299,890.86 = 4,838,475/x
  3. Step 3: Cross multiply
    8,912,856.12x = 12,299,890.86 × 4,838,475
  4. Step 4: Simplify right side
    8,912,856.12x = 59,512,714,428,838.50
  5. Step 5: Solve for x
    x = 59,512,714,428,838.50/8,912,856.12
  6. Step 6: Final answer
    x = 6,677,176.61

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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.