Home / 15,831,780.16-21,847,898.64-8,588,436.16

Finding the Fourth Proportional to 15,831,780.16, 21,847,898.64 and 8,588,436.16

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Solution

The fourth proportional to 15,831,780.16, 21,847,898.64 and 8,588,436.16 is: 11,852,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831,780.16 : 21,847,898.64 = 8,588,436.16 : x
  2. Step 2: Convert to fraction form
    15,831,780.16/21,847,898.64 = 8,588,436.16/x
  3. Step 3: Cross multiply
    15,831,780.16x = 21,847,898.64 × 8,588,436.16
  4. Step 4: Simplify right side
    15,831,780.16x = 187,639,282,699,790.84
  5. Step 5: Solve for x
    x = 187,639,282,699,790.84/15,831,780.16
  6. Step 6: Final answer
    x = 11,852,064.70

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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.