Home / 28,955,012.90-43,432,484.50-7,389,616.89

Finding the Fourth Proportional to 28,955,012.90, 43,432,484.50 and 7,389,616.89

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Solution

The fourth proportional to 28,955,012.90, 43,432,484.50 and 7,389,616.89 is: 11,084,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955,012.90 : 43,432,484.50 = 7,389,616.89 : x
  2. Step 2: Convert to fraction form
    28,955,012.90/43,432,484.50 = 7,389,616.89/x
  3. Step 3: Cross multiply
    28,955,012.90x = 43,432,484.50 × 7,389,616.89
  4. Step 4: Simplify right side
    28,955,012.90x = 320,949,421,207,972
  5. Step 5: Solve for x
    x = 320,949,421,207,972/28,955,012.90
  6. Step 6: Final answer
    x = 11,084,416.45

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1.5x scale

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.