Home / 7,020,095.30-9,687,557.64-3,922,428.50

Finding the Fourth Proportional to 7,020,095.30, 9,687,557.64 and 3,922,428.50

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Solution

The fourth proportional to 7,020,095.30, 9,687,557.64 and 3,922,428.50 is: 5,412,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,095.30 : 9,687,557.64 = 3,922,428.50 : x
  2. Step 2: Convert to fraction form
    7,020,095.30/9,687,557.64 = 3,922,428.50/x
  3. Step 3: Cross multiply
    7,020,095.30x = 9,687,557.64 × 3,922,428.50
  4. Step 4: Simplify right side
    7,020,095.30x = 37,998,752,182,528.74
  5. Step 5: Solve for x
    x = 37,998,752,182,528.74/7,020,095.30
  6. Step 6: Final answer
    x = 5,412,854.18

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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.