Home / 28,963,887.40-43,451,663.10-8,493,567.40

Finding the Fourth Proportional to 28,963,887.40, 43,451,663.10 and 8,493,567.40

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Solution

The fourth proportional to 28,963,887.40, 43,451,663.10 and 8,493,567.40 is: 12,742,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963,887.40 : 43,451,663.10 = 8,493,567.40 : x
  2. Step 2: Convert to fraction form
    28,963,887.40/43,451,663.10 = 8,493,567.40/x
  3. Step 3: Cross multiply
    28,963,887.40x = 43,451,663.10 × 8,493,567.40
  4. Step 4: Simplify right side
    28,963,887.40x = 369,059,629,181,943
  5. Step 5: Solve for x
    x = 369,059,629,181,943/28,963,887.40
  6. Step 6: Final answer
    x = 12,742,061.32

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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.