Home / 20,216,487.70-30,261,745.95-14,547,783.70

Finding the Fourth Proportional to 20,216,487.70, 30,261,745.95 and 14,547,783.70

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Solution

The fourth proportional to 20,216,487.70, 30,261,745.95 and 14,547,783.70 is: 21,776,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216,487.70 : 30,261,745.95 = 14,547,783.70 : x
  2. Step 2: Convert to fraction form
    20,216,487.70/30,261,745.95 = 14,547,783.70/x
  3. Step 3: Cross multiply
    20,216,487.70x = 30,261,745.95 × 14,547,783.70
  4. Step 4: Simplify right side
    20,216,487.70x = 440,241,334,464,951
  5. Step 5: Solve for x
    x = 440,241,334,464,951/20,216,487.70
  6. Step 6: Final answer
    x = 21,776,351.11

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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.