Home / 40,671,602.45-61,017,730.01-18,827,729.81

Finding the Fourth Proportional to 40,671,602.45, 61,017,730.01 and 18,827,729.81

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Solution

The fourth proportional to 40,671,602.45, 61,017,730.01 and 18,827,729.81 is: 28,246,374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,671,602.45 : 61,017,730.01 = 18,827,729.81 : x
  2. Step 2: Convert to fraction form
    40,671,602.45/61,017,730.01 = 18,827,729.81/x
  3. Step 3: Cross multiply
    40,671,602.45x = 61,017,730.01 × 18,827,729.81
  4. Step 4: Simplify right side
    40,671,602.45x = 1,148,825,334,148,001.75
  5. Step 5: Solve for x
    x = 1,148,825,334,148,001.75/40,671,602.45
  6. Step 6: Final answer
    x = 28,246,374.99

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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.