Home / 14,162,543.20-21,243,782.40-6,070,271.68

Finding the Fourth Proportional to 14,162,543.20, 21,243,782.40 and 6,070,271.68

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Solution

The fourth proportional to 14,162,543.20, 21,243,782.40 and 6,070,271.68 is: 9,105,393.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162,543.20 : 21,243,782.40 = 6,070,271.68 : x
  2. Step 2: Convert to fraction form
    14,162,543.20/21,243,782.40 = 6,070,271.68/x
  3. Step 3: Cross multiply
    14,162,543.20x = 21,243,782.40 × 6,070,271.68
  4. Step 4: Simplify right side
    14,162,543.20x = 128,955,530,678,802.42
  5. Step 5: Solve for x
    x = 128,955,530,678,802.42/14,162,543.20
  6. Step 6: Final answer
    x = 9,105,393.63

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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.