Home / 17,220,645-23,764,490.10-9,485,663.40

Finding the Fourth Proportional to 17,220,645, 23,764,490.10 and 9,485,663.40

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Solution

The fourth proportional to 17,220,645, 23,764,490.10 and 9,485,663.40 is: 13,090,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220,645 : 23,764,490.10 = 9,485,663.40 : x
  2. Step 2: Convert to fraction form
    17,220,645/23,764,490.10 = 9,485,663.40/x
  3. Step 3: Cross multiply
    17,220,645x = 23,764,490.10 × 9,485,663.40
  4. Step 4: Simplify right side
    17,220,645x = 225,421,953,961,232.38
  5. Step 5: Solve for x
    x = 225,421,953,961,232.38/17,220,645
  6. Step 6: Final answer
    x = 13,090,215.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.