Home / 8,728,805.16-12,045,276.72-4,807,798.20

Finding the Fourth Proportional to 8,728,805.16, 12,045,276.72 and 4,807,798.20

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Solution

The fourth proportional to 8,728,805.16, 12,045,276.72 and 4,807,798.20 is: 6,634,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728,805.16 : 12,045,276.72 = 4,807,798.20 : x
  2. Step 2: Convert to fraction form
    8,728,805.16/12,045,276.72 = 4,807,798.20/x
  3. Step 3: Cross multiply
    8,728,805.16x = 12,045,276.72 × 4,807,798.20
  4. Step 4: Simplify right side
    8,728,805.16x = 57,911,259,732,917.91
  5. Step 5: Solve for x
    x = 57,911,259,732,917.91/8,728,805.16
  6. Step 6: Final answer
    x = 6,634,500.22

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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.