Home / 35,684,357.76-49,243,455.12-21,000,888

Finding the Fourth Proportional to 35,684,357.76, 49,243,455.12 and 21,000,888

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Solution

The fourth proportional to 35,684,357.76, 49,243,455.12 and 21,000,888 is: 28,980,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,684,357.76 : 49,243,455.12 = 21,000,888 : x
  2. Step 2: Convert to fraction form
    35,684,357.76/49,243,455.12 = 21,000,888/x
  3. Step 3: Cross multiply
    35,684,357.76x = 49,243,455.12 × 21,000,888
  4. Step 4: Simplify right side
    35,684,357.76x = 1,034,156,285,708,146.50
  5. Step 5: Solve for x
    x = 1,034,156,285,708,146.50/35,684,357.76
  6. Step 6: Final answer
    x = 28,980,661.29

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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.