Home / 15,605,491.44-21,535,609.68-8,730,088.32

Finding the Fourth Proportional to 15,605,491.44, 21,535,609.68 and 8,730,088.32

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Solution

The fourth proportional to 15,605,491.44, 21,535,609.68 and 8,730,088.32 is: 12,047,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605,491.44 : 21,535,609.68 = 8,730,088.32 : x
  2. Step 2: Convert to fraction form
    15,605,491.44/21,535,609.68 = 8,730,088.32/x
  3. Step 3: Cross multiply
    15,605,491.44x = 21,535,609.68 × 8,730,088.32
  4. Step 4: Simplify right side
    15,605,491.44x = 188,007,774,531,446.94
  5. Step 5: Solve for x
    x = 188,007,774,531,446.94/15,605,491.44
  6. Step 6: Final answer
    x = 12,047,539.50

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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.