Home / 15,301,870.20-22,952,805.30-13,308,966.45

Finding the Fourth Proportional to 15,301,870.20, 22,952,805.30 and 13,308,966.45

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Solution

The fourth proportional to 15,301,870.20, 22,952,805.30 and 13,308,966.45 is: 19,963,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301,870.20 : 22,952,805.30 = 13,308,966.45 : x
  2. Step 2: Convert to fraction form
    15,301,870.20/22,952,805.30 = 13,308,966.45/x
  3. Step 3: Cross multiply
    15,301,870.20x = 22,952,805.30 × 13,308,966.45
  4. Step 4: Simplify right side
    15,301,870.20x = 305,478,115,671,082.19
  5. Step 5: Solve for x
    x = 305,478,115,671,082.19/15,301,870.20
  6. Step 6: Final answer
    x = 19,963,449.68

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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.