Home / 8,305,058.10-12,457,587.15-5,435,276.70

Finding the Fourth Proportional to 8,305,058.10, 12,457,587.15 and 5,435,276.70

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Solution

The fourth proportional to 8,305,058.10, 12,457,587.15 and 5,435,276.70 is: 8,152,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,058.10 : 12,457,587.15 = 5,435,276.70 : x
  2. Step 2: Convert to fraction form
    8,305,058.10/12,457,587.15 = 5,435,276.70/x
  3. Step 3: Cross multiply
    8,305,058.10x = 12,457,587.15 × 5,435,276.70
  4. Step 4: Simplify right side
    8,305,058.10x = 67,710,433,174,614.41
  5. Step 5: Solve for x
    x = 67,710,433,174,614.41/8,305,058.10
  6. Step 6: Final answer
    x = 8,152,915.05

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Similar ratio
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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.