Home / 14,013,153.20-21,019,729.80-13,698,225.20

Finding the Fourth Proportional to 14,013,153.20, 21,019,729.80 and 13,698,225.20

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Solution

The fourth proportional to 14,013,153.20, 21,019,729.80 and 13,698,225.20 is: 20,547,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,153.20 : 21,019,729.80 = 13,698,225.20 : x
  2. Step 2: Convert to fraction form
    14,013,153.20/21,019,729.80 = 13,698,225.20/x
  3. Step 3: Cross multiply
    14,013,153.20x = 21,019,729.80 × 13,698,225.20
  4. Step 4: Simplify right side
    14,013,153.20x = 287,932,992,443,550.94
  5. Step 5: Solve for x
    x = 287,932,992,443,550.94/14,013,153.20
  6. Step 6: Final answer
    x = 20,547,337.80

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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.