Home / 13,180,366.40-19,773,530.82-7,114,967.96

Finding the Fourth Proportional to 13,180,366.40, 19,773,530.82 and 7,114,967.96

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Solution

The fourth proportional to 13,180,366.40, 19,773,530.82 and 7,114,967.96 is: 10,674,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180,366.40 : 19,773,530.82 = 7,114,967.96 : x
  2. Step 2: Convert to fraction form
    13,180,366.40/19,773,530.82 = 7,114,967.96/x
  3. Step 3: Cross multiply
    13,180,366.40x = 19,773,530.82 × 7,114,967.96
  4. Step 4: Simplify right side
    13,180,366.40x = 140,688,038,240,372.53
  5. Step 5: Solve for x
    x = 140,688,038,240,372.53/13,180,366.40
  6. Step 6: Final answer
    x = 10,674,061.25

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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.