Home / 13,038,461.40-19,549,916.10-7,993,392.60

Finding the Fourth Proportional to 13,038,461.40, 19,549,916.10 and 7,993,392.60

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Solution

The fourth proportional to 13,038,461.40, 19,549,916.10 and 7,993,392.60 is: 11,985,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038,461.40 : 19,549,916.10 = 7,993,392.60 : x
  2. Step 2: Convert to fraction form
    13,038,461.40/19,549,916.10 = 7,993,392.60/x
  3. Step 3: Cross multiply
    13,038,461.40x = 19,549,916.10 × 7,993,392.60
  4. Step 4: Simplify right side
    13,038,461.40x = 156,270,154,684,360.88
  5. Step 5: Solve for x
    x = 156,270,154,684,360.88/13,038,461.40
  6. Step 6: Final answer
    x = 11,985,321.73

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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.