Home / 28,083,807.90-42,130,377.45-11,045,036.70

Finding the Fourth Proportional to 28,083,807.90, 42,130,377.45 and 11,045,036.70

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Solution

The fourth proportional to 28,083,807.90, 42,130,377.45 and 11,045,036.70 is: 16,569,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,807.90 : 42,130,377.45 = 11,045,036.70 : x
  2. Step 2: Convert to fraction form
    28,083,807.90/42,130,377.45 = 11,045,036.70/x
  3. Step 3: Cross multiply
    28,083,807.90x = 42,130,377.45 × 11,045,036.70
  4. Step 4: Simplify right side
    28,083,807.90x = 465,331,565,120,102.44
  5. Step 5: Solve for x
    x = 465,331,565,120,102.44/28,083,807.90
  6. Step 6: Final answer
    x = 16,569,389.98

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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.