Home / 17,878,851.40-26,799,614.70-9,779,369.80

Finding the Fourth Proportional to 17,878,851.40, 26,799,614.70 and 9,779,369.80

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Solution

The fourth proportional to 17,878,851.40, 26,799,614.70 and 9,779,369.80 is: 14,658,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878,851.40 : 26,799,614.70 = 9,779,369.80 : x
  2. Step 2: Convert to fraction form
    17,878,851.40/26,799,614.70 = 9,779,369.80/x
  3. Step 3: Cross multiply
    17,878,851.40x = 26,799,614.70 × 9,779,369.80
  4. Step 4: Simplify right side
    17,878,851.40x = 262,083,342,648,816.06
  5. Step 5: Solve for x
    x = 262,083,342,648,816.06/17,878,851.40
  6. Step 6: Final answer
    x = 14,658,846.74

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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.