Home / 38,946,885.66-53,746,038.72-21,543,216.66

Finding the Fourth Proportional to 38,946,885.66, 53,746,038.72 and 21,543,216.66

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Solution

The fourth proportional to 38,946,885.66, 53,746,038.72 and 21,543,216.66 is: 29,729,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,946,885.66 : 53,746,038.72 = 21,543,216.66 : x
  2. Step 2: Convert to fraction form
    38,946,885.66/53,746,038.72 = 21,543,216.66/x
  3. Step 3: Cross multiply
    38,946,885.66x = 53,746,038.72 × 21,543,216.66
  4. Step 4: Simplify right side
    38,946,885.66x = 1,157,862,556,761,709
  5. Step 5: Solve for x
    x = 1,157,862,556,761,709/38,946,885.66
  6. Step 6: Final answer
    x = 29,729,271.99

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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.