Home / 7,886,938.60-11,830,407.90-4,473,906.40

Finding the Fourth Proportional to 7,886,938.60, 11,830,407.90 and 4,473,906.40

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Solution

The fourth proportional to 7,886,938.60, 11,830,407.90 and 4,473,906.40 is: 6,710,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,938.60 : 11,830,407.90 = 4,473,906.40 : x
  2. Step 2: Convert to fraction form
    7,886,938.60/11,830,407.90 = 4,473,906.40/x
  3. Step 3: Cross multiply
    7,886,938.60x = 11,830,407.90 × 4,473,906.40
  4. Step 4: Simplify right side
    7,886,938.60x = 52,928,137,618,420.56
  5. Step 5: Solve for x
    x = 52,928,137,618,420.56/7,886,938.60
  6. Step 6: Final answer
    x = 6,710,859.60

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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.