Home / 15,746,666.40-23,619,999.60-11,939,536.80

Finding the Fourth Proportional to 15,746,666.40, 23,619,999.60 and 11,939,536.80

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Solution

The fourth proportional to 15,746,666.40, 23,619,999.60 and 11,939,536.80 is: 17,909,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746,666.40 : 23,619,999.60 = 11,939,536.80 : x
  2. Step 2: Convert to fraction form
    15,746,666.40/23,619,999.60 = 11,939,536.80/x
  3. Step 3: Cross multiply
    15,746,666.40x = 23,619,999.60 × 11,939,536.80
  4. Step 4: Simplify right side
    15,746,666.40x = 282,011,854,440,185.31
  5. Step 5: Solve for x
    x = 282,011,854,440,185.31/15,746,666.40
  6. Step 6: Final answer
    x = 17,909,305.20

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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.