Home / 9,577,955.76-13,217,888.16-5,447,880.78

Finding the Fourth Proportional to 9,577,955.76, 13,217,888.16 and 5,447,880.78

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Solution

The fourth proportional to 9,577,955.76, 13,217,888.16 and 5,447,880.78 is: 7,518,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,577,955.76 : 13,217,888.16 = 5,447,880.78 : x
  2. Step 2: Convert to fraction form
    9,577,955.76/13,217,888.16 = 5,447,880.78/x
  3. Step 3: Cross multiply
    9,577,955.76x = 13,217,888.16 × 5,447,880.78
  4. Step 4: Simplify right side
    9,577,955.76x = 72,009,478,859,053.56
  5. Step 5: Solve for x
    x = 72,009,478,859,053.56/9,577,955.76
  6. Step 6: Final answer
    x = 7,518,251.35

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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.