Home / 38,670,459.31-53,364,168.65-21,266,802.65

Finding the Fourth Proportional to 38,670,459.31, 53,364,168.65 and 21,266,802.65

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Solution

The fourth proportional to 38,670,459.31, 53,364,168.65 and 21,266,802.65 is: 29,347,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670,459.31 : 53,364,168.65 = 21,266,802.65 : x
  2. Step 2: Convert to fraction form
    38,670,459.31/53,364,168.65 = 21,266,802.65/x
  3. Step 3: Cross multiply
    38,670,459.31x = 53,364,168.65 × 21,266,802.65
  4. Step 4: Simplify right side
    38,670,459.31x = 1,134,885,242,887,712
  5. Step 5: Solve for x
    x = 1,134,885,242,887,712/38,670,459.31
  6. Step 6: Final answer
    x = 29,347,601.85

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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.