Home / 28,453,539.51-42,688,300.72-11,426,169.87

Finding the Fourth Proportional to 28,453,539.51, 42,688,300.72 and 11,426,169.87

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Solution

The fourth proportional to 28,453,539.51, 42,688,300.72 and 11,426,169.87 is: 17,142,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,539.51 : 42,688,300.72 = 11,426,169.87 : x
  2. Step 2: Convert to fraction form
    28,453,539.51/42,688,300.72 = 11,426,169.87/x
  3. Step 3: Cross multiply
    28,453,539.51x = 42,688,300.72 × 11,426,169.87
  4. Step 4: Simplify right side
    28,453,539.51x = 487,763,775,488,363.25
  5. Step 5: Solve for x
    x = 487,763,775,488,363.25/28,453,539.51
  6. Step 6: Final answer
    x = 17,142,463.96

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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.