Home / 7,387,689.16-11,088,345.75-3,746,974.21

Finding the Fourth Proportional to 7,387,689.16, 11,088,345.75 and 3,746,974.21

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Solution

The fourth proportional to 7,387,689.16, 11,088,345.75 and 3,746,974.21 is: 5,623,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387,689.16 : 11,088,345.75 = 3,746,974.21 : x
  2. Step 2: Convert to fraction form
    7,387,689.16/11,088,345.75 = 3,746,974.21/x
  3. Step 3: Cross multiply
    7,387,689.16x = 11,088,345.75 × 3,746,974.21
  4. Step 4: Simplify right side
    7,387,689.16x = 41,547,745,556,813.11
  5. Step 5: Solve for x
    x = 41,547,745,556,813.11/7,387,689.16
  6. Step 6: Final answer
    x = 5,623,916.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.