Home / 18,831,973.60-28,251,646.80-8,049,253.60

Finding the Fourth Proportional to 18,831,973.60, 28,251,646.80 and 8,049,253.60

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Solution

The fourth proportional to 18,831,973.60, 28,251,646.80 and 8,049,253.60 is: 12,075,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831,973.60 : 28,251,646.80 = 8,049,253.60 : x
  2. Step 2: Convert to fraction form
    18,831,973.60/28,251,646.80 = 8,049,253.60/x
  3. Step 3: Cross multiply
    18,831,973.60x = 28,251,646.80 × 8,049,253.60
  4. Step 4: Simplify right side
    18,831,973.60x = 227,404,669,710,828.47
  5. Step 5: Solve for x
    x = 227,404,669,710,828.47/18,831,973.60
  6. Step 6: Final answer
    x = 12,075,456.06

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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.