Home / 8,428,143-11,630,868.18-4,560,664.20

Finding the Fourth Proportional to 8,428,143, 11,630,868.18 and 4,560,664.20

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Solution

The fourth proportional to 8,428,143, 11,630,868.18 and 4,560,664.20 is: 6,293,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,143 : 11,630,868.18 = 4,560,664.20 : x
  2. Step 2: Convert to fraction form
    8,428,143/11,630,868.18 = 4,560,664.20/x
  3. Step 3: Cross multiply
    8,428,143x = 11,630,868.18 × 4,560,664.20
  4. Step 4: Simplify right side
    8,428,143x = 53,044,484,123,445.16
  5. Step 5: Solve for x
    x = 53,044,484,123,445.16/8,428,143
  6. Step 6: Final answer
    x = 6,293,733.28

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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.