Home / 53,367,796.76-73,647,622.51-28,921,510.76

Finding the Fourth Proportional to 53,367,796.76, 73,647,622.51 and 28,921,510.76

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Solution

The fourth proportional to 53,367,796.76, 73,647,622.51 and 28,921,510.76 is: 39,911,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,367,796.76 : 73,647,622.51 = 28,921,510.76 : x
  2. Step 2: Convert to fraction form
    53,367,796.76/73,647,622.51 = 28,921,510.76/x
  3. Step 3: Cross multiply
    53,367,796.76x = 73,647,622.51 × 28,921,510.76
  4. Step 4: Simplify right side
    53,367,796.76x = 2,130,000,506,430,841
  5. Step 5: Solve for x
    x = 2,130,000,506,430,841/53,367,796.76
  6. Step 6: Final answer
    x = 39,911,718.98

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Double scale
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1.5x scale

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.