Home / 23,022,854.81-31,771,641.12-12,709,662.65

Finding the Fourth Proportional to 23,022,854.81, 31,771,641.12 and 12,709,662.65

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Solution

The fourth proportional to 23,022,854.81, 31,771,641.12 and 12,709,662.65 is: 17,539,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,022,854.81 : 31,771,641.12 = 12,709,662.65 : x
  2. Step 2: Convert to fraction form
    23,022,854.81/31,771,641.12 = 12,709,662.65/x
  3. Step 3: Cross multiply
    23,022,854.81x = 31,771,641.12 × 12,709,662.65
  4. Step 4: Simplify right side
    23,022,854.81x = 403,806,840,472,068.19
  5. Step 5: Solve for x
    x = 403,806,840,472,068.19/23,022,854.81
  6. Step 6: Final answer
    x = 17,539,390.48

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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.