Home / 22,108,464.60-30,509,744.34-12,817,840.20

Finding the Fourth Proportional to 22,108,464.60, 30,509,744.34 and 12,817,840.20

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Solution

The fourth proportional to 22,108,464.60, 30,509,744.34 and 12,817,840.20 is: 17,688,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108,464.60 : 30,509,744.34 = 12,817,840.20 : x
  2. Step 2: Convert to fraction form
    22,108,464.60/30,509,744.34 = 12,817,840.20/x
  3. Step 3: Cross multiply
    22,108,464.60x = 30,509,744.34 × 12,817,840.20
  4. Step 4: Simplify right side
    22,108,464.60x = 391,069,027,492,974.44
  5. Step 5: Solve for x
    x = 391,069,027,492,974.44/22,108,464.60
  6. Step 6: Final answer
    x = 17,688,656.11

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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.