Home / 12,210,818.35-18,312,338.56-4,011,557.35

Finding the Fourth Proportional to 12,210,818.35, 18,312,338.56 and 4,011,557.35

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Solution

The fourth proportional to 12,210,818.35, 18,312,338.56 and 4,011,557.35 is: 6,016,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210,818.35 : 18,312,338.56 = 4,011,557.35 : x
  2. Step 2: Convert to fraction form
    12,210,818.35/18,312,338.56 = 4,011,557.35/x
  3. Step 3: Cross multiply
    12,210,818.35x = 18,312,338.56 × 4,011,557.35
  4. Step 4: Simplify right side
    12,210,818.35x = 73,460,996,325,998.62
  5. Step 5: Solve for x
    x = 73,460,996,325,998.62/12,210,818.35
  6. Step 6: Final answer
    x = 6,016,058.40

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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.