Home / 28,111,483.86-42,168,159.23-9,667,247.91

Finding the Fourth Proportional to 28,111,483.86, 42,168,159.23 and 9,667,247.91

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Solution

The fourth proportional to 28,111,483.86, 42,168,159.23 and 9,667,247.91 is: 14,501,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,111,483.86 : 42,168,159.23 = 9,667,247.91 : x
  2. Step 2: Convert to fraction form
    28,111,483.86/42,168,159.23 = 9,667,247.91/x
  3. Step 3: Cross multiply
    28,111,483.86x = 42,168,159.23 × 9,667,247.91
  4. Step 4: Simplify right side
    28,111,483.86x = 407,650,049,136,428.50
  5. Step 5: Solve for x
    x = 407,650,049,136,428.50/28,111,483.86
  6. Step 6: Final answer
    x = 14,501,192.86

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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.