Home / 38,440,404.76-53,047,724.02-21,698,669.01

Finding the Fourth Proportional to 38,440,404.76, 53,047,724.02 and 21,698,669.01

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Solution

The fourth proportional to 38,440,404.76, 53,047,724.02 and 21,698,669.01 is: 29,944,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440,404.76 : 53,047,724.02 = 21,698,669.01 : x
  2. Step 2: Convert to fraction form
    38,440,404.76/53,047,724.02 = 21,698,669.01/x
  3. Step 3: Cross multiply
    38,440,404.76x = 53,047,724.02 × 21,698,669.01
  4. Step 4: Simplify right side
    38,440,404.76x = 1,151,065,005,388,489
  5. Step 5: Solve for x
    x = 1,151,065,005,388,489/38,440,404.76
  6. Step 6: Final answer
    x = 29,944,143.74

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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.