Home / 7,865,358.72-10,854,400.32-4,427,725.20

Finding the Fourth Proportional to 7,865,358.72, 10,854,400.32 and 4,427,725.20

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Solution

The fourth proportional to 7,865,358.72, 10,854,400.32 and 4,427,725.20 is: 6,110,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865,358.72 : 10,854,400.32 = 4,427,725.20 : x
  2. Step 2: Convert to fraction form
    7,865,358.72/10,854,400.32 = 4,427,725.20/x
  3. Step 3: Cross multiply
    7,865,358.72x = 10,854,400.32 × 4,427,725.20
  4. Step 4: Simplify right side
    7,865,358.72x = 48,060,301,827,752.07
  5. Step 5: Solve for x
    x = 48,060,301,827,752.07/7,865,358.72
  6. Step 6: Final answer
    x = 6,110,376.34

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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.