Home / 19,155,669.60-28,733,428.80-5,692,497.60

Finding the Fourth Proportional to 19,155,669.60, 28,733,428.80 and 5,692,497.60

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Solution

The fourth proportional to 19,155,669.60, 28,733,428.80 and 5,692,497.60 is: 8,538,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155,669.60 : 28,733,428.80 = 5,692,497.60 : x
  2. Step 2: Convert to fraction form
    19,155,669.60/28,733,428.80 = 5,692,497.60/x
  3. Step 3: Cross multiply
    19,155,669.60x = 28,733,428.80 × 5,692,497.60
  4. Step 4: Simplify right side
    19,155,669.60x = 163,564,974,483,770.88
  5. Step 5: Solve for x
    x = 163,564,974,483,770.88/19,155,669.60
  6. Step 6: Final answer
    x = 8,538,723.93

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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.