Home / 14,486,030.70-21,731,670.45-7,279,428.30

Finding the Fourth Proportional to 14,486,030.70, 21,731,670.45 and 7,279,428.30

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Solution

The fourth proportional to 14,486,030.70, 21,731,670.45 and 7,279,428.30 is: 10,920,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486,030.70 : 21,731,670.45 = 7,279,428.30 : x
  2. Step 2: Convert to fraction form
    14,486,030.70/21,731,670.45 = 7,279,428.30/x
  3. Step 3: Cross multiply
    14,486,030.70x = 21,731,670.45 × 7,279,428.30
  4. Step 4: Simplify right side
    14,486,030.70x = 158,194,136,880,003.72
  5. Step 5: Solve for x
    x = 158,194,136,880,003.72/14,486,030.70
  6. Step 6: Final answer
    x = 10,920,461.25

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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.