Home / 10,205,643.40-15,308,082.18-2,529,313.48

Finding the Fourth Proportional to 10,205,643.40, 15,308,082.18 and 2,529,313.48

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Solution

The fourth proportional to 10,205,643.40, 15,308,082.18 and 2,529,313.48 is: 3,793,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205,643.40 : 15,308,082.18 = 2,529,313.48 : x
  2. Step 2: Convert to fraction form
    10,205,643.40/15,308,082.18 = 2,529,313.48/x
  3. Step 3: Cross multiply
    10,205,643.40x = 15,308,082.18 × 2,529,313.48
  4. Step 4: Simplify right side
    10,205,643.40x = 38,718,938,610,821.79
  5. Step 5: Solve for x
    x = 38,718,938,610,821.79/10,205,643.40
  6. Step 6: Final answer
    x = 3,793,875.32

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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.