Home / 7,115,898.90-9,819,927.50-3,852,713.20

Finding the Fourth Proportional to 7,115,898.90, 9,819,927.50 and 3,852,713.20

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Solution

The fourth proportional to 7,115,898.90, 9,819,927.50 and 3,852,713.20 is: 5,316,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,898.90 : 9,819,927.50 = 3,852,713.20 : x
  2. Step 2: Convert to fraction form
    7,115,898.90/9,819,927.50 = 3,852,713.20/x
  3. Step 3: Cross multiply
    7,115,898.90x = 9,819,927.50 × 3,852,713.20
  4. Step 4: Simplify right side
    7,115,898.90x = 37,833,364,302,293
  5. Step 5: Solve for x
    x = 37,833,364,302,293/7,115,898.90
  6. Step 6: Final answer
    x = 5,316,737.19

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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.