Home / 9,042,987.40-12,479,464.18-4,913,100.34

Finding the Fourth Proportional to 9,042,987.40, 12,479,464.18 and 4,913,100.34

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Solution

The fourth proportional to 9,042,987.40, 12,479,464.18 and 4,913,100.34 is: 6,780,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,987.40 : 12,479,464.18 = 4,913,100.34 : x
  2. Step 2: Convert to fraction form
    9,042,987.40/12,479,464.18 = 4,913,100.34/x
  3. Step 3: Cross multiply
    9,042,987.40x = 12,479,464.18 × 4,913,100.34
  4. Step 4: Simplify right side
    9,042,987.40x = 61,312,859,705,775.82
  5. Step 5: Solve for x
    x = 61,312,859,705,775.82/9,042,987.40
  6. Step 6: Final answer
    x = 6,780,155.38

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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.