Home / 15,903,472.64-21,946,216.24-9,718,866.32

Finding the Fourth Proportional to 15,903,472.64, 21,946,216.24 and 9,718,866.32

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Solution

The fourth proportional to 15,903,472.64, 21,946,216.24 and 9,718,866.32 is: 13,411,683.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903,472.64 : 21,946,216.24 = 9,718,866.32 : x
  2. Step 2: Convert to fraction form
    15,903,472.64/21,946,216.24 = 9,718,866.32/x
  3. Step 3: Cross multiply
    15,903,472.64x = 21,946,216.24 × 9,718,866.32
  4. Step 4: Simplify right side
    15,903,472.64x = 213,292,341,866,373.03
  5. Step 5: Solve for x
    x = 213,292,341,866,373.03/15,903,472.64
  6. Step 6: Final answer
    x = 13,411,683.52

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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.