Home / 28,909,626-39,904,216.02-18,596,350

Finding the Fourth Proportional to 28,909,626, 39,904,216.02 and 18,596,350

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Solution

The fourth proportional to 28,909,626, 39,904,216.02 and 18,596,350 is: 25,668,708.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909,626 : 39,904,216.02 = 18,596,350 : x
  2. Step 2: Convert to fraction form
    28,909,626/39,904,216.02 = 18,596,350/x
  3. Step 3: Cross multiply
    28,909,626x = 39,904,216.02 × 18,596,350
  4. Step 4: Simplify right side
    28,909,626x = 742,072,767,583,527
  5. Step 5: Solve for x
    x = 742,072,767,583,527/28,909,626
  6. Step 6: Final answer
    x = 25,668,708.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.