Home / 10,210,388.58-14,093,946.54-9,120,766.86

Finding the Fourth Proportional to 10,210,388.58, 14,093,946.54 and 9,120,766.86

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Solution

The fourth proportional to 10,210,388.58, 14,093,946.54 and 9,120,766.86 is: 12,589,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210,388.58 : 14,093,946.54 = 9,120,766.86 : x
  2. Step 2: Convert to fraction form
    10,210,388.58/14,093,946.54 = 9,120,766.86/x
  3. Step 3: Cross multiply
    10,210,388.58x = 14,093,946.54 × 9,120,766.86
  4. Step 4: Simplify right side
    10,210,388.58x = 128,547,600,528,643.64
  5. Step 5: Solve for x
    x = 128,547,600,528,643.64/10,210,388.58
  6. Step 6: Final answer
    x = 12,589,883.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.