Home / 12,465,001.80-18,697,502.70-9,777,616.20

Finding the Fourth Proportional to 12,465,001.80, 18,697,502.70 and 9,777,616.20

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Solution

The fourth proportional to 12,465,001.80, 18,697,502.70 and 9,777,616.20 is: 14,666,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465,001.80 : 18,697,502.70 = 9,777,616.20 : x
  2. Step 2: Convert to fraction form
    12,465,001.80/18,697,502.70 = 9,777,616.20/x
  3. Step 3: Cross multiply
    12,465,001.80x = 18,697,502.70 × 9,777,616.20
  4. Step 4: Simplify right side
    12,465,001.80x = 182,817,005,299,063.72
  5. Step 5: Solve for x
    x = 182,817,005,299,063.72/12,465,001.80
  6. Step 6: Final answer
    x = 14,666,424.30

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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.