Home / 8,910,575-12,295,188.88-5,190,018.30

Finding the Fourth Proportional to 8,910,575, 12,295,188.88 and 5,190,018.30

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Solution

The fourth proportional to 8,910,575, 12,295,188.88 and 5,190,018.30 is: 7,161,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,575 : 12,295,188.88 = 5,190,018.30 : x
  2. Step 2: Convert to fraction form
    8,910,575/12,295,188.88 = 5,190,018.30/x
  3. Step 3: Cross multiply
    8,910,575x = 12,295,188.88 × 5,190,018.30
  4. Step 4: Simplify right side
    8,910,575x = 63,812,255,289,156.51
  5. Step 5: Solve for x
    x = 63,812,255,289,156.51/8,910,575
  6. Step 6: Final answer
    x = 7,161,407.12

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1.5x scale

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.