Home / 13,862,416.40-20,779,627.80-6,294,813.20

Finding the Fourth Proportional to 13,862,416.40, 20,779,627.80 and 6,294,813.20

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Solution

The fourth proportional to 13,862,416.40, 20,779,627.80 and 6,294,813.20 is: 9,435,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862,416.40 : 20,779,627.80 = 6,294,813.20 : x
  2. Step 2: Convert to fraction form
    13,862,416.40/20,779,627.80 = 6,294,813.20/x
  3. Step 3: Cross multiply
    13,862,416.40x = 20,779,627.80 × 6,294,813.20
  4. Step 4: Simplify right side
    13,862,416.40x = 130,803,875,366,526.97
  5. Step 5: Solve for x
    x = 130,803,875,366,526.97/13,862,416.40
  6. Step 6: Final answer
    x = 9,435,863.96

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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.