Home / 15,742,062.89-21,723,751.67-8,772,587.08

Finding the Fourth Proportional to 15,742,062.89, 21,723,751.67 and 8,772,587.08

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Solution

The fourth proportional to 15,742,062.89, 21,723,751.67 and 8,772,587.08 is: 12,106,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742,062.89 : 21,723,751.67 = 8,772,587.08 : x
  2. Step 2: Convert to fraction form
    15,742,062.89/21,723,751.67 = 8,772,587.08/x
  3. Step 3: Cross multiply
    15,742,062.89x = 21,723,751.67 × 8,772,587.08
  4. Step 4: Simplify right side
    15,742,062.89x = 190,573,503,131,198.12
  5. Step 5: Solve for x
    x = 190,573,503,131,198.12/15,742,062.89
  6. Step 6: Final answer
    x = 12,106,005.70

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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.