Home / 38,886,632.64-53,666,690.40-21,484,497.60

Finding the Fourth Proportional to 38,886,632.64, 53,666,690.40 and 21,484,497.60

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Solution

The fourth proportional to 38,886,632.64, 53,666,690.40 and 21,484,497.60 is: 29,650,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,886,632.64 : 53,666,690.40 = 21,484,497.60 : x
  2. Step 2: Convert to fraction form
    38,886,632.64/53,666,690.40 = 21,484,497.60/x
  3. Step 3: Cross multiply
    38,886,632.64x = 53,666,690.40 × 21,484,497.60
  4. Step 4: Simplify right side
    38,886,632.64x = 1,153,001,881,098,743
  5. Step 5: Solve for x
    x = 1,153,001,881,098,743/38,886,632.64
  6. Step 6: Final answer
    x = 29,650,340.05

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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.