Home / 14,319,943.74-21,473,256.06-5,215,703.22

Finding the Fourth Proportional to 14,319,943.74, 21,473,256.06 and 5,215,703.22

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Solution

The fourth proportional to 14,319,943.74, 21,473,256.06 and 5,215,703.22 is: 7,821,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319,943.74 : 21,473,256.06 = 5,215,703.22 : x
  2. Step 2: Convert to fraction form
    14,319,943.74/21,473,256.06 = 5,215,703.22/x
  3. Step 3: Cross multiply
    14,319,943.74x = 21,473,256.06 × 5,215,703.22
  4. Step 4: Simplify right side
    14,319,943.74x = 111,998,130,776,026.50
  5. Step 5: Solve for x
    x = 111,998,130,776,026.50/14,319,943.74
  6. Step 6: Final answer
    x = 7,821,129.25

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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.