Home / 8,424,114.60-12,636,171.90-7,006,938.60

Finding the Fourth Proportional to 8,424,114.60, 12,636,171.90 and 7,006,938.60

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Solution

The fourth proportional to 8,424,114.60, 12,636,171.90 and 7,006,938.60 is: 10,510,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,114.60 : 12,636,171.90 = 7,006,938.60 : x
  2. Step 2: Convert to fraction form
    8,424,114.60/12,636,171.90 = 7,006,938.60/x
  3. Step 3: Cross multiply
    8,424,114.60x = 12,636,171.90 × 7,006,938.60
  4. Step 4: Simplify right side
    8,424,114.60x = 88,540,880,642,345.34
  5. Step 5: Solve for x
    x = 88,540,880,642,345.34/8,424,114.60
  6. Step 6: Final answer
    x = 10,510,407.90

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1.5x scale

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.