Home / 10,253,798.40-15,364,108.80-6,460,492.80

Finding the Fourth Proportional to 10,253,798.40, 15,364,108.80 and 6,460,492.80

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Solution

The fourth proportional to 10,253,798.40, 15,364,108.80 and 6,460,492.80 is: 9,680,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253,798.40 : 15,364,108.80 = 6,460,492.80 : x
  2. Step 2: Convert to fraction form
    10,253,798.40/15,364,108.80 = 6,460,492.80/x
  3. Step 3: Cross multiply
    10,253,798.40x = 15,364,108.80 × 6,460,492.80
  4. Step 4: Simplify right side
    10,253,798.40x = 99,259,714,280,816.64
  5. Step 5: Solve for x
    x = 99,259,714,280,816.64/10,253,798.40
  6. Step 6: Final answer
    x = 9,680,287.29

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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.