Home / 28,707,927.04-39,623,588.67-18,920,110.60

Finding the Fourth Proportional to 28,707,927.04, 39,623,588.67 and 18,920,110.60

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Solution

The fourth proportional to 28,707,927.04, 39,623,588.67 and 18,920,110.60 is: 26,114,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707,927.04 : 39,623,588.67 = 18,920,110.60 : x
  2. Step 2: Convert to fraction form
    28,707,927.04/39,623,588.67 = 18,920,110.60/x
  3. Step 3: Cross multiply
    28,707,927.04x = 39,623,588.67 × 18,920,110.60
  4. Step 4: Simplify right side
    28,707,927.04x = 749,682,680,005,307
  5. Step 5: Solve for x
    x = 749,682,680,005,307/28,707,927.04
  6. Step 6: Final answer
    x = 26,114,134.92

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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.