Home / 18,564,780.84-25,621,018.76-10,832,314.28

Finding the Fourth Proportional to 18,564,780.84, 25,621,018.76 and 10,832,314.28

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Solution

The fourth proportional to 18,564,780.84, 25,621,018.76 and 10,832,314.28 is: 14,949,539.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564,780.84 : 25,621,018.76 = 10,832,314.28 : x
  2. Step 2: Convert to fraction form
    18,564,780.84/25,621,018.76 = 10,832,314.28/x
  3. Step 3: Cross multiply
    18,564,780.84x = 25,621,018.76 × 10,832,314.28
  4. Step 4: Simplify right side
    18,564,780.84x = 277,534,927,382,095.91
  5. Step 5: Solve for x
    x = 277,534,927,382,095.91/18,564,780.84
  6. Step 6: Final answer
    x = 14,949,539.66

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1.5x scale

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.