Home / 38,834,374.95-53,592,724.64-21,194,243.45

Finding the Fourth Proportional to 38,834,374.95, 53,592,724.64 and 21,194,243.45

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Solution

The fourth proportional to 38,834,374.95, 53,592,724.64 and 21,194,243.45 is: 29,248,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,834,374.95 : 53,592,724.64 = 21,194,243.45 : x
  2. Step 2: Convert to fraction form
    38,834,374.95/53,592,724.64 = 21,194,243.45/x
  3. Step 3: Cross multiply
    38,834,374.95x = 53,592,724.64 × 21,194,243.45
  4. Step 4: Simplify right side
    38,834,374.95x = 1,135,857,253,168,973.50
  5. Step 5: Solve for x
    x = 1,135,857,253,168,973.50/38,834,374.95
  6. Step 6: Final answer
    x = 29,248,758.47

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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.