Home / 7,140,647.65-10,710,948.12-2,591,690.39

Finding the Fourth Proportional to 7,140,647.65, 10,710,948.12 and 2,591,690.39

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Solution

The fourth proportional to 7,140,647.65, 10,710,948.12 and 2,591,690.39 is: 3,887,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,647.65 : 10,710,948.12 = 2,591,690.39 : x
  2. Step 2: Convert to fraction form
    7,140,647.65/10,710,948.12 = 2,591,690.39/x
  3. Step 3: Cross multiply
    7,140,647.65x = 10,710,948.12 × 2,591,690.39
  4. Step 4: Simplify right side
    7,140,647.65x = 27,759,461,256,837.82
  5. Step 5: Solve for x
    x = 27,759,461,256,837.82/7,140,647.65
  6. Step 6: Final answer
    x = 3,887,527.10

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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.