Home / 38,285,528.48-52,834,659-20,881,873.76

Finding the Fourth Proportional to 38,285,528.48, 52,834,659 and 20,881,873.76

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Solution

The fourth proportional to 38,285,528.48, 52,834,659 and 20,881,873.76 is: 28,817,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285,528.48 : 52,834,659 = 20,881,873.76 : x
  2. Step 2: Convert to fraction form
    38,285,528.48/52,834,659 = 20,881,873.76/x
  3. Step 3: Cross multiply
    38,285,528.48x = 52,834,659 × 20,881,873.76
  4. Step 4: Simplify right side
    38,285,528.48x = 1,103,286,679,390,647.88
  5. Step 5: Solve for x
    x = 1,103,286,679,390,647.88/38,285,528.48
  6. Step 6: Final answer
    x = 28,817,329.24

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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.