Home / 7,002,824.49-9,663,971.63-3,947,038.74

Finding the Fourth Proportional to 7,002,824.49, 9,663,971.63 and 3,947,038.74

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Solution

The fourth proportional to 7,002,824.49, 9,663,971.63 and 3,947,038.74 is: 5,446,955.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,824.49 : 9,663,971.63 = 3,947,038.74 : x
  2. Step 2: Convert to fraction form
    7,002,824.49/9,663,971.63 = 3,947,038.74/x
  3. Step 3: Cross multiply
    7,002,824.49x = 9,663,971.63 × 3,947,038.74
  4. Step 4: Simplify right side
    7,002,824.49x = 38,144,070,386,135.76
  5. Step 5: Solve for x
    x = 38,144,070,386,135.76/7,002,824.49
  6. Step 6: Final answer
    x = 5,446,955.07

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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.