Home / 15,210,147-20,990,002.86-8,771,619

Finding the Fourth Proportional to 15,210,147, 20,990,002.86 and 8,771,619

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Solution

The fourth proportional to 15,210,147, 20,990,002.86 and 8,771,619 is: 12,104,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210,147 : 20,990,002.86 = 8,771,619 : x
  2. Step 2: Convert to fraction form
    15,210,147/20,990,002.86 = 8,771,619/x
  3. Step 3: Cross multiply
    15,210,147x = 20,990,002.86 × 8,771,619
  4. Step 4: Simplify right side
    15,210,147x = 184,116,307,896,830.34
  5. Step 5: Solve for x
    x = 184,116,307,896,830.34/15,210,147
  6. Step 6: Final answer
    x = 12,104,834.22

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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.