Home / 8,912,853.12-12,299,886.72-4,838,472

Finding the Fourth Proportional to 8,912,853.12, 12,299,886.72 and 4,838,472

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Solution

The fourth proportional to 8,912,853.12, 12,299,886.72 and 4,838,472 is: 6,677,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,853.12 : 12,299,886.72 = 4,838,472 : x
  2. Step 2: Convert to fraction form
    8,912,853.12/12,299,886.72 = 4,838,472/x
  3. Step 3: Cross multiply
    8,912,853.12x = 12,299,886.72 × 4,838,472
  4. Step 4: Simplify right side
    8,912,853.12x = 59,512,657,497,891.84
  5. Step 5: Solve for x
    x = 59,512,657,497,891.84/8,912,853.12
  6. Step 6: Final answer
    x = 6,677,172.47

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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.