Home / 18,118,219.46-27,143,038.28-10,710,088.21

Finding the Fourth Proportional to 18,118,219.46, 27,143,038.28 and 10,710,088.21

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Solution

The fourth proportional to 18,118,219.46, 27,143,038.28 and 10,710,088.21 is: 16,044,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118,219.46 : 27,143,038.28 = 10,710,088.21 : x
  2. Step 2: Convert to fraction form
    18,118,219.46/27,143,038.28 = 10,710,088.21/x
  3. Step 3: Cross multiply
    18,118,219.46x = 27,143,038.28 × 10,710,088.21
  4. Step 4: Simplify right side
    18,118,219.46x = 290,704,334,251,618.75
  5. Step 5: Solve for x
    x = 290,704,334,251,618.75/18,118,219.46
  6. Step 6: Final answer
    x = 16,044,862.18

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1.5x scale

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.