Home / 12,219,587.70-16,861,156.47-7,061,953.20

Finding the Fourth Proportional to 12,219,587.70, 16,861,156.47 and 7,061,953.20

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Solution

The fourth proportional to 12,219,587.70, 16,861,156.47 and 7,061,953.20 is: 9,744,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,587.70 : 16,861,156.47 = 7,061,953.20 : x
  2. Step 2: Convert to fraction form
    12,219,587.70/16,861,156.47 = 7,061,953.20/x
  3. Step 3: Cross multiply
    12,219,587.70x = 16,861,156.47 × 7,061,953.20
  4. Step 4: Simplify right side
    12,219,587.70x = 119,072,697,889,017.20
  5. Step 5: Solve for x
    x = 119,072,697,889,017.20/12,219,587.70
  6. Step 6: Final answer
    x = 9,744,412.07

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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.