Home / 22,699,638.81-31,326,258.06-12,386,927.79

Finding the Fourth Proportional to 22,699,638.81, 31,326,258.06 and 12,386,927.79

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Solution

The fourth proportional to 22,699,638.81, 31,326,258.06 and 12,386,927.79 is: 17,094,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699,638.81 : 31,326,258.06 = 12,386,927.79 : x
  2. Step 2: Convert to fraction form
    22,699,638.81/31,326,258.06 = 12,386,927.79/x
  3. Step 3: Cross multiply
    22,699,638.81x = 31,326,258.06 × 12,386,927.79
  4. Step 4: Simplify right side
    22,699,638.81x = 388,036,096,520,125.44
  5. Step 5: Solve for x
    x = 388,036,096,520,125.44/22,699,638.81
  6. Step 6: Final answer
    x = 17,094,373.16

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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.