Home / 30,229,826.40-45,355,237.20-13,202,719.20

Finding the Fourth Proportional to 30,229,826.40, 45,355,237.20 and 13,202,719.20

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Solution

The fourth proportional to 30,229,826.40, 45,355,237.20 and 13,202,719.20 is: 19,808,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229,826.40 : 45,355,237.20 = 13,202,719.20 : x
  2. Step 2: Convert to fraction form
    30,229,826.40/45,355,237.20 = 13,202,719.20/x
  3. Step 3: Cross multiply
    30,229,826.40x = 45,355,237.20 × 13,202,719.20
  4. Step 4: Simplify right side
    30,229,826.40x = 598,812,461,000,994.25
  5. Step 5: Solve for x
    x = 598,812,461,000,994.25/30,229,826.40
  6. Step 6: Final answer
    x = 19,808,663.57

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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.