Home / 10,931,857.20-16,404,784.20-6,382,897.20

Finding the Fourth Proportional to 10,931,857.20, 16,404,784.20 and 6,382,897.20

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Solution

The fourth proportional to 10,931,857.20, 16,404,784.20 and 6,382,897.20 is: 9,578,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,857.20 : 16,404,784.20 = 6,382,897.20 : x
  2. Step 2: Convert to fraction form
    10,931,857.20/16,404,784.20 = 6,382,897.20/x
  3. Step 3: Cross multiply
    10,931,857.20x = 16,404,784.20 × 6,382,897.20
  4. Step 4: Simplify right side
    10,931,857.20x = 104,710,051,136,784.23
  5. Step 5: Solve for x
    x = 104,710,051,136,784.23/10,931,857.20
  6. Step 6: Final answer
    x = 9,578,432.03

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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.