Home / 17,990,089.76-26,985,528.32-7,212,466.40

Finding the Fourth Proportional to 17,990,089.76, 26,985,528.32 and 7,212,466.40

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Solution

The fourth proportional to 17,990,089.76, 26,985,528.32 and 7,212,466.40 is: 10,818,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990,089.76 : 26,985,528.32 = 7,212,466.40 : x
  2. Step 2: Convert to fraction form
    17,990,089.76/26,985,528.32 = 7,212,466.40/x
  3. Step 3: Cross multiply
    17,990,089.76x = 26,985,528.32 × 7,212,466.40
  4. Step 4: Simplify right side
    17,990,089.76x = 194,632,216,294,248.47
  5. Step 5: Solve for x
    x = 194,632,216,294,248.47/17,990,089.76
  6. Step 6: Final answer
    x = 10,818,857.43

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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.