Home / 12,406,465.27-18,610,587.74-3,308,515.20

Finding the Fourth Proportional to 12,406,465.27, 18,610,587.74 and 3,308,515.20

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Solution

The fourth proportional to 12,406,465.27, 18,610,587.74 and 3,308,515.20 is: 4,963,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406,465.27 : 18,610,587.74 = 3,308,515.20 : x
  2. Step 2: Convert to fraction form
    12,406,465.27/18,610,587.74 = 3,308,515.20/x
  3. Step 3: Cross multiply
    12,406,465.27x = 18,610,587.74 × 3,308,515.20
  4. Step 4: Simplify right side
    12,406,465.27x = 61,573,412,426,994.94
  5. Step 5: Solve for x
    x = 61,573,412,426,994.94/12,406,465.27
  6. Step 6: Final answer
    x = 4,963,010.10

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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.