Home / 14,304,045.90-19,739,445.66-7,777,677.78

Finding the Fourth Proportional to 14,304,045.90, 19,739,445.66 and 7,777,677.78

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Solution

The fourth proportional to 14,304,045.90, 19,739,445.66 and 7,777,677.78 is: 10,733,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304,045.90 : 19,739,445.66 = 7,777,677.78 : x
  2. Step 2: Convert to fraction form
    14,304,045.90/19,739,445.66 = 7,777,677.78/x
  3. Step 3: Cross multiply
    14,304,045.90x = 19,739,445.66 × 7,777,677.78
  4. Step 4: Simplify right side
    14,304,045.90x = 153,527,047,899,299.44
  5. Step 5: Solve for x
    x = 153,527,047,899,299.44/14,304,045.90
  6. Step 6: Final answer
    x = 10,733,120.47

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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.