Home / 7,799,412.47-10,762,865.87-4,267,191.78

Finding the Fourth Proportional to 7,799,412.47, 10,762,865.87 and 4,267,191.78

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Solution

The fourth proportional to 7,799,412.47, 10,762,865.87 and 4,267,191.78 is: 5,888,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799,412.47 : 10,762,865.87 = 4,267,191.78 : x
  2. Step 2: Convert to fraction form
    7,799,412.47/10,762,865.87 = 4,267,191.78/x
  3. Step 3: Cross multiply
    7,799,412.47x = 10,762,865.87 × 4,267,191.78
  4. Step 4: Simplify right side
    7,799,412.47x = 45,927,212,748,370.59
  5. Step 5: Solve for x
    x = 45,927,212,748,370.59/7,799,412.47
  6. Step 6: Final answer
    x = 5,888,547.75

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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.