Home / 42,012,051.70-63,018,077.55-10,099,347.70

Finding the Fourth Proportional to 42,012,051.70, 63,018,077.55 and 10,099,347.70

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Solution

The fourth proportional to 42,012,051.70, 63,018,077.55 and 10,099,347.70 is: 15,149,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012,051.70 : 63,018,077.55 = 10,099,347.70 : x
  2. Step 2: Convert to fraction form
    42,012,051.70/63,018,077.55 = 10,099,347.70/x
  3. Step 3: Cross multiply
    42,012,051.70x = 63,018,077.55 × 10,099,347.70
  4. Step 4: Simplify right side
    42,012,051.70x = 636,441,476,563,014
  5. Step 5: Solve for x
    x = 636,441,476,563,014/42,012,051.70
  6. Step 6: Final answer
    x = 15,149,021.55

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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.