Home / 47,257,220.76-70,897,786.86-13,178,570.28

Finding the Fourth Proportional to 47,257,220.76, 70,897,786.86 and 13,178,570.28

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Solution

The fourth proportional to 47,257,220.76, 70,897,786.86 and 13,178,570.28 is: 19,771,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,257,220.76 : 70,897,786.86 = 13,178,570.28 : x
  2. Step 2: Convert to fraction form
    47,257,220.76/70,897,786.86 = 13,178,570.28/x
  3. Step 3: Cross multiply
    47,257,220.76x = 70,897,786.86 × 13,178,570.28
  4. Step 4: Simplify right side
    47,257,220.76x = 934,331,466,830,970.50
  5. Step 5: Solve for x
    x = 934,331,466,830,970.50/47,257,220.76
  6. Step 6: Final answer
    x = 19,771,189.50

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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.