Home / 30,246,502.70-45,328,282.05-19,430,605.10

Finding the Fourth Proportional to 30,246,502.70, 45,328,282.05 and 19,430,605.10

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Solution

The fourth proportional to 30,246,502.70, 45,328,282.05 and 19,430,605.10 is: 29,119,265.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246,502.70 : 45,328,282.05 = 19,430,605.10 : x
  2. Step 2: Convert to fraction form
    30,246,502.70/45,328,282.05 = 19,430,605.10/x
  3. Step 3: Cross multiply
    30,246,502.70x = 45,328,282.05 × 19,430,605.10
  4. Step 4: Simplify right side
    30,246,502.70x = 880,755,948,374,968.50
  5. Step 5: Solve for x
    x = 880,755,948,374,968.50/30,246,502.70
  6. Step 6: Final answer
    x = 29,119,265.69

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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.