Home / 53,287,879.70-79,931,819.55-12,898,363.70

Finding the Fourth Proportional to 53,287,879.70, 79,931,819.55 and 12,898,363.70

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Solution

The fourth proportional to 53,287,879.70, 79,931,819.55 and 12,898,363.70 is: 19,347,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,287,879.70 : 79,931,819.55 = 12,898,363.70 : x
  2. Step 2: Convert to fraction form
    53,287,879.70/79,931,819.55 = 12,898,363.70/x
  3. Step 3: Cross multiply
    53,287,879.70x = 79,931,819.55 × 12,898,363.70
  4. Step 4: Simplify right side
    53,287,879.70x = 1,030,989,679,758,670.25
  5. Step 5: Solve for x
    x = 1,030,989,679,758,670.25/53,287,879.70
  6. Step 6: Final answer
    x = 19,347,545.55

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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.