Home / 13,221,306-19,840,348.44-5,648,328.72

Finding the Fourth Proportional to 13,221,306, 19,840,348.44 and 5,648,328.72

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Solution

The fourth proportional to 13,221,306, 19,840,348.44 and 5,648,328.72 is: 8,476,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221,306 : 19,840,348.44 = 5,648,328.72 : x
  2. Step 2: Convert to fraction form
    13,221,306/19,840,348.44 = 5,648,328.72/x
  3. Step 3: Cross multiply
    13,221,306x = 19,840,348.44 × 5,648,328.72
  4. Step 4: Simplify right side
    13,221,306x = 112,064,809,908,459.20
  5. Step 5: Solve for x
    x = 112,064,809,908,459.20/13,221,306
  6. Step 6: Final answer
    x = 8,476,077.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.