Home / 19,163,980.80-28,748,595.60-6,383,152.80

Finding the Fourth Proportional to 19,163,980.80, 28,748,595.60 and 6,383,152.80

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Solution

The fourth proportional to 19,163,980.80, 28,748,595.60 and 6,383,152.80 is: 9,575,603.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163,980.80 : 28,748,595.60 = 6,383,152.80 : x
  2. Step 2: Convert to fraction form
    19,163,980.80/28,748,595.60 = 6,383,152.80/x
  3. Step 3: Cross multiply
    19,163,980.80x = 28,748,595.60 × 6,383,152.80
  4. Step 4: Simplify right side
    19,163,980.80x = 183,506,678,500,207.69
  5. Step 5: Solve for x
    x = 183,506,678,500,207.69/19,163,980.80
  6. Step 6: Final answer
    x = 9,575,603.34

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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.