Home / 15,596,619.86-21,521,678.40-8,626,189.76

Finding the Fourth Proportional to 15,596,619.86, 21,521,678.40 and 8,626,189.76

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Solution

The fourth proportional to 15,596,619.86, 21,521,678.40 and 8,626,189.76 is: 11,903,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596,619.86 : 21,521,678.40 = 8,626,189.76 : x
  2. Step 2: Convert to fraction form
    15,596,619.86/21,521,678.40 = 8,626,189.76/x
  3. Step 3: Cross multiply
    15,596,619.86x = 21,521,678.40 × 8,626,189.76
  4. Step 4: Simplify right side
    15,596,619.86x = 185,650,081,832,093.16
  5. Step 5: Solve for x
    x = 185,650,081,832,093.16/15,596,619.86
  6. Step 6: Final answer
    x = 11,903,225.41

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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.