Home / 13,484,657.78-18,604,417.56-8,252,211.26

Finding the Fourth Proportional to 13,484,657.78, 18,604,417.56 and 8,252,211.26

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Solution

The fourth proportional to 13,484,657.78, 18,604,417.56 and 8,252,211.26 is: 11,385,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,657.78 : 18,604,417.56 = 8,252,211.26 : x
  2. Step 2: Convert to fraction form
    13,484,657.78/18,604,417.56 = 8,252,211.26/x
  3. Step 3: Cross multiply
    13,484,657.78x = 18,604,417.56 × 8,252,211.26
  4. Step 4: Simplify right side
    13,484,657.78x = 153,527,584,074,373.72
  5. Step 5: Solve for x
    x = 153,527,584,074,373.72/13,484,657.78
  6. Step 6: Final answer
    x = 11,385,352.64

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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.