Home / 38,459,824.18-53,074,712.06-21,057,788.63

Finding the Fourth Proportional to 38,459,824.18, 53,074,712.06 and 21,057,788.63

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Solution

The fourth proportional to 38,459,824.18, 53,074,712.06 and 21,057,788.63 is: 29,059,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459,824.18 : 53,074,712.06 = 21,057,788.63 : x
  2. Step 2: Convert to fraction form
    38,459,824.18/53,074,712.06 = 21,057,788.63/x
  3. Step 3: Cross multiply
    38,459,824.18x = 53,074,712.06 × 21,057,788.63
  4. Step 4: Simplify right side
    38,459,824.18x = 1,117,636,068,263,956.50
  5. Step 5: Solve for x
    x = 1,117,636,068,263,956.50/38,459,824.18
  6. Step 6: Final answer
    x = 29,059,833.01

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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.