Home / 28,184,856.35-42,266,915.10-9,736,106.81

Finding the Fourth Proportional to 28,184,856.35, 42,266,915.10 and 9,736,106.81

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Solution

The fourth proportional to 28,184,856.35, 42,266,915.10 and 9,736,106.81 is: 14,600,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184,856.35 : 42,266,915.10 = 9,736,106.81 : x
  2. Step 2: Convert to fraction form
    28,184,856.35/42,266,915.10 = 9,736,106.81/x
  3. Step 3: Cross multiply
    28,184,856.35x = 42,266,915.10 × 9,736,106.81
  4. Step 4: Simplify right side
    28,184,856.35x = 411,515,199,731,467.25
  5. Step 5: Solve for x
    x = 411,515,199,731,467.25/28,184,856.35
  6. Step 6: Final answer
    x = 14,600,578.22

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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.