Home / 28,911,148.74-43,308,898.83-17,390,256.30

Finding the Fourth Proportional to 28,911,148.74, 43,308,898.83 and 17,390,256.30

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Solution

The fourth proportional to 28,911,148.74, 43,308,898.83 and 17,390,256.30 is: 26,050,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911,148.74 : 43,308,898.83 = 17,390,256.30 : x
  2. Step 2: Convert to fraction form
    28,911,148.74/43,308,898.83 = 17,390,256.30/x
  3. Step 3: Cross multiply
    28,911,148.74x = 43,308,898.83 × 17,390,256.30
  4. Step 4: Simplify right side
    28,911,148.74x = 753,152,850,724,470.12
  5. Step 5: Solve for x
    x = 753,152,850,724,470.12/28,911,148.74
  6. Step 6: Final answer
    x = 26,050,602.74

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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.