Home / 18,794,552.40-28,191,828.60-13,125,848.40

Finding the Fourth Proportional to 18,794,552.40, 28,191,828.60 and 13,125,848.40

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Solution

The fourth proportional to 18,794,552.40, 28,191,828.60 and 13,125,848.40 is: 19,688,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794,552.40 : 28,191,828.60 = 13,125,848.40 : x
  2. Step 2: Convert to fraction form
    18,794,552.40/28,191,828.60 = 13,125,848.40/x
  3. Step 3: Cross multiply
    18,794,552.40x = 28,191,828.60 × 13,125,848.40
  4. Step 4: Simplify right side
    18,794,552.40x = 370,041,668,322,384.25
  5. Step 5: Solve for x
    x = 370,041,668,322,384.25/18,794,552.40
  6. Step 6: Final answer
    x = 19,688,772.60

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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.