Home / 14,013,435.70-21,020,153.55-13,698,507.70

Finding the Fourth Proportional to 14,013,435.70, 21,020,153.55 and 13,698,507.70

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Solution

The fourth proportional to 14,013,435.70, 21,020,153.55 and 13,698,507.70 is: 20,547,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,435.70 : 21,020,153.55 = 13,698,507.70 : x
  2. Step 2: Convert to fraction form
    14,013,435.70/21,020,153.55 = 13,698,507.70/x
  3. Step 3: Cross multiply
    14,013,435.70x = 21,020,153.55 × 13,698,507.70
  4. Step 4: Simplify right side
    14,013,435.70x = 287,944,735,259,857.31
  5. Step 5: Solve for x
    x = 287,944,735,259,857.31/14,013,435.70
  6. Step 6: Final answer
    x = 20,547,761.55

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Similar ratio
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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.