Home / 38,654,572-53,341,950.18-21,250,790.50

Finding the Fourth Proportional to 38,654,572, 53,341,950.18 and 21,250,790.50

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Solution

The fourth proportional to 38,654,572, 53,341,950.18 and 21,250,790.50 is: 29,325,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,654,572 : 53,341,950.18 = 21,250,790.50 : x
  2. Step 2: Convert to fraction form
    38,654,572/53,341,950.18 = 21,250,790.50/x
  3. Step 3: Cross multiply
    38,654,572x = 53,341,950.18 × 21,250,790.50
  4. Step 4: Simplify right side
    38,654,572x = 1,133,558,608,136,617.25
  5. Step 5: Solve for x
    x = 1,133,558,608,136,617.25/38,654,572
  6. Step 6: Final answer
    x = 29,325,343.67

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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.