Home / 13,913,830.80-20,870,746.20-4,937,216.40

Finding the Fourth Proportional to 13,913,830.80, 20,870,746.20 and 4,937,216.40

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Solution

The fourth proportional to 13,913,830.80, 20,870,746.20 and 4,937,216.40 is: 7,405,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913,830.80 : 20,870,746.20 = 4,937,216.40 : x
  2. Step 2: Convert to fraction form
    13,913,830.80/20,870,746.20 = 4,937,216.40/x
  3. Step 3: Cross multiply
    13,913,830.80x = 20,870,746.20 × 4,937,216.40
  4. Step 4: Simplify right side
    13,913,830.80x = 103,043,390,418,877.69
  5. Step 5: Solve for x
    x = 103,043,390,418,877.69/13,913,830.80
  6. Step 6: Final answer
    x = 7,405,824.60

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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.