Home / 14,520,095.40-21,780,143.10-12,529,439.40

Finding the Fourth Proportional to 14,520,095.40, 21,780,143.10 and 12,529,439.40

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Solution

The fourth proportional to 14,520,095.40, 21,780,143.10 and 12,529,439.40 is: 18,794,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,095.40 : 21,780,143.10 = 12,529,439.40 : x
  2. Step 2: Convert to fraction form
    14,520,095.40/21,780,143.10 = 12,529,439.40/x
  3. Step 3: Cross multiply
    14,520,095.40x = 21,780,143.10 × 12,529,439.40
  4. Step 4: Simplify right side
    14,520,095.40x = 272,892,983,094,778.16
  5. Step 5: Solve for x
    x = 272,892,983,094,778.16/14,520,095.40
  6. Step 6: Final answer
    x = 18,794,159.10

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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.