Home / 30,109,303.60-45,165,640.18-9,640,823.92

Finding the Fourth Proportional to 30,109,303.60, 45,165,640.18 and 9,640,823.92

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Solution

The fourth proportional to 30,109,303.60, 45,165,640.18 and 9,640,823.92 is: 14,461,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109,303.60 : 45,165,640.18 = 9,640,823.92 : x
  2. Step 2: Convert to fraction form
    30,109,303.60/45,165,640.18 = 9,640,823.92/x
  3. Step 3: Cross multiply
    30,109,303.60x = 45,165,640.18 × 9,640,823.92
  4. Step 4: Simplify right side
    30,109,303.60x = 435,433,984,209,457.12
  5. Step 5: Solve for x
    x = 435,433,984,209,457.12/30,109,303.60
  6. Step 6: Final answer
    x = 14,461,775.34

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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.