Home / 13,280,436.59-18,326,518.65-7,399,766.93

Finding the Fourth Proportional to 13,280,436.59, 18,326,518.65 and 7,399,766.93

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Solution

The fourth proportional to 13,280,436.59, 18,326,518.65 and 7,399,766.93 is: 10,211,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,436.59 : 18,326,518.65 = 7,399,766.93 : x
  2. Step 2: Convert to fraction form
    13,280,436.59/18,326,518.65 = 7,399,766.93/x
  3. Step 3: Cross multiply
    13,280,436.59x = 18,326,518.65 × 7,399,766.93
  4. Step 4: Simplify right side
    13,280,436.59x = 135,611,966,659,752.31
  5. Step 5: Solve for x
    x = 135,611,966,659,752.31/13,280,436.59
  6. Step 6: Final answer
    x = 10,211,408.77

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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.