Home / 18,631,521.10-27,947,281.65-5,852,005.30

Finding the Fourth Proportional to 18,631,521.10, 27,947,281.65 and 5,852,005.30

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Solution

The fourth proportional to 18,631,521.10, 27,947,281.65 and 5,852,005.30 is: 8,778,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631,521.10 : 27,947,281.65 = 5,852,005.30 : x
  2. Step 2: Convert to fraction form
    18,631,521.10/27,947,281.65 = 5,852,005.30/x
  3. Step 3: Cross multiply
    18,631,521.10x = 27,947,281.65 × 5,852,005.30
  4. Step 4: Simplify right side
    18,631,521.10x = 163,547,640,336,392.72
  5. Step 5: Solve for x
    x = 163,547,640,336,392.72/18,631,521.10
  6. Step 6: Final answer
    x = 8,778,007.95

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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.