Home / 7,828,376.40-11,742,564.60-7,044,555.60

Finding the Fourth Proportional to 7,828,376.40, 11,742,564.60 and 7,044,555.60

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Solution

The fourth proportional to 7,828,376.40, 11,742,564.60 and 7,044,555.60 is: 10,566,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828,376.40 : 11,742,564.60 = 7,044,555.60 : x
  2. Step 2: Convert to fraction form
    7,828,376.40/11,742,564.60 = 7,044,555.60/x
  3. Step 3: Cross multiply
    7,828,376.40x = 11,742,564.60 × 7,044,555.60
  4. Step 4: Simplify right side
    7,828,376.40x = 82,721,149,211,291.75
  5. Step 5: Solve for x
    x = 82,721,149,211,291.75/7,828,376.40
  6. Step 6: Final answer
    x = 10,566,833.40

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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.