Home / 9,642,215.67-13,306,641.42-5,291,457.68

Finding the Fourth Proportional to 9,642,215.67, 13,306,641.42 and 5,291,457.68

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Solution

The fourth proportional to 9,642,215.67, 13,306,641.42 and 5,291,457.68 is: 7,302,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,215.67 : 13,306,641.42 = 5,291,457.68 : x
  2. Step 2: Convert to fraction form
    9,642,215.67/13,306,641.42 = 5,291,457.68/x
  3. Step 3: Cross multiply
    9,642,215.67x = 13,306,641.42 × 5,291,457.68
  4. Step 4: Simplify right side
    9,642,215.67x = 70,411,529,870,331.89
  5. Step 5: Solve for x
    x = 70,411,529,870,331.89/9,642,215.67
  6. Step 6: Final answer
    x = 7,302,422.21

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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.