Home / 38,461,484.67-53,074,746.50-21,054,462.76

Finding the Fourth Proportional to 38,461,484.67, 53,074,746.50 and 21,054,462.76

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Solution

The fourth proportional to 38,461,484.67, 53,074,746.50 and 21,054,462.76 is: 29,054,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461,484.67 : 53,074,746.50 = 21,054,462.76 : x
  2. Step 2: Convert to fraction form
    38,461,484.67/53,074,746.50 = 21,054,462.76/x
  3. Step 3: Cross multiply
    38,461,484.67x = 53,074,746.50 × 21,054,462.76
  4. Step 4: Simplify right side
    38,461,484.67x = 1,117,460,273,680,690.38
  5. Step 5: Solve for x
    x = 1,117,460,273,680,690.38/38,461,484.67
  6. Step 6: Final answer
    x = 29,054,007.75

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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.