Home / 10,779,968.40-16,169,952.60-6,953,593.20

Finding the Fourth Proportional to 10,779,968.40, 16,169,952.60 and 6,953,593.20

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Solution

The fourth proportional to 10,779,968.40, 16,169,952.60 and 6,953,593.20 is: 10,430,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,968.40 : 16,169,952.60 = 6,953,593.20 : x
  2. Step 2: Convert to fraction form
    10,779,968.40/16,169,952.60 = 6,953,593.20/x
  3. Step 3: Cross multiply
    10,779,968.40x = 16,169,952.60 × 6,953,593.20
  4. Step 4: Simplify right side
    10,779,968.40x = 112,439,272,443,682.33
  5. Step 5: Solve for x
    x = 112,439,272,443,682.33/10,779,968.40
  6. Step 6: Final answer
    x = 10,430,389.80

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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.