Home / 14,229,478.16-19,636,675.72-7,703,102.78

Finding the Fourth Proportional to 14,229,478.16, 19,636,675.72 and 7,703,102.78

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Solution

The fourth proportional to 14,229,478.16, 19,636,675.72 and 7,703,102.78 is: 10,630,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229,478.16 : 19,636,675.72 = 7,703,102.78 : x
  2. Step 2: Convert to fraction form
    14,229,478.16/19,636,675.72 = 7,703,102.78/x
  3. Step 3: Cross multiply
    14,229,478.16x = 19,636,675.72 × 7,703,102.78
  4. Step 4: Simplify right side
    14,229,478.16x = 151,263,331,328,690.50
  5. Step 5: Solve for x
    x = 151,263,331,328,690.50/14,229,478.16
  6. Step 6: Final answer
    x = 10,630,279.59

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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.