Home / 28,446,024.33-39,255,616.95-15,393,281.76

Finding the Fourth Proportional to 28,446,024.33, 39,255,616.95 and 15,393,281.76

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Solution

The fourth proportional to 28,446,024.33, 39,255,616.95 and 15,393,281.76 is: 21,242,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,024.33 : 39,255,616.95 = 15,393,281.76 : x
  2. Step 2: Convert to fraction form
    28,446,024.33/39,255,616.95 = 15,393,281.76/x
  3. Step 3: Cross multiply
    28,446,024.33x = 39,255,616.95 × 15,393,281.76
  4. Step 4: Simplify right side
    28,446,024.33x = 604,272,772,373,981.88
  5. Step 5: Solve for x
    x = 604,272,772,373,981.88/28,446,024.33
  6. Step 6: Final answer
    x = 21,242,784.77

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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.