Home / 14,013,309.70-21,019,964.55-13,698,381.70

Finding the Fourth Proportional to 14,013,309.70, 21,019,964.55 and 13,698,381.70

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Solution

The fourth proportional to 14,013,309.70, 21,019,964.55 and 13,698,381.70 is: 20,547,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,309.70 : 21,019,964.55 = 13,698,381.70 : x
  2. Step 2: Convert to fraction form
    14,013,309.70/21,019,964.55 = 13,698,381.70/x
  3. Step 3: Cross multiply
    14,013,309.70x = 21,019,964.55 × 13,698,381.70
  4. Step 4: Simplify right side
    14,013,309.70x = 287,939,497,726,368.75
  5. Step 5: Solve for x
    x = 287,939,497,726,368.75/14,013,309.70
  6. Step 6: Final answer
    x = 20,547,572.55

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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.