Home / 9,042,953.85-12,479,417.98-4,913,066.79

Finding the Fourth Proportional to 9,042,953.85, 12,479,417.98 and 4,913,066.79

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Solution

The fourth proportional to 9,042,953.85, 12,479,417.98 and 4,913,066.79 is: 6,780,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,953.85 : 12,479,417.98 = 4,913,066.79 : x
  2. Step 2: Convert to fraction form
    9,042,953.85/12,479,417.98 = 4,913,066.79/x
  3. Step 3: Cross multiply
    9,042,953.85x = 12,479,417.98 × 4,913,066.79
  4. Step 4: Simplify right side
    9,042,953.85x = 61,312,214,023,784.21
  5. Step 5: Solve for x
    x = 61,312,214,023,784.21/9,042,953.85
  6. Step 6: Final answer
    x = 6,780,109.14

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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.