Home / 7,169,705.40-9,894,068.37-3,906,547.14

Finding the Fourth Proportional to 7,169,705.40, 9,894,068.37 and 3,906,547.14

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Solution

The fourth proportional to 7,169,705.40, 9,894,068.37 and 3,906,547.14 is: 5,390,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,705.40 : 9,894,068.37 = 3,906,547.14 : x
  2. Step 2: Convert to fraction form
    7,169,705.40/9,894,068.37 = 3,906,547.14/x
  3. Step 3: Cross multiply
    7,169,705.40x = 9,894,068.37 × 3,906,547.14
  4. Step 4: Simplify right side
    7,169,705.40x = 38,651,644,493,787.96
  5. Step 5: Solve for x
    x = 38,651,644,493,787.96/7,169,705.40
  6. Step 6: Final answer
    x = 5,390,966.90

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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.