Home / 33,130,719.60-49,666,530.60-12,931,263.60

Finding the Fourth Proportional to 33,130,719.60, 49,666,530.60 and 12,931,263.60

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Solution

The fourth proportional to 33,130,719.60, 49,666,530.60 and 12,931,263.60 is: 19,385,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130,719.60 : 49,666,530.60 = 12,931,263.60 : x
  2. Step 2: Convert to fraction form
    33,130,719.60/49,666,530.60 = 12,931,263.60/x
  3. Step 3: Cross multiply
    33,130,719.60x = 49,666,530.60 × 12,931,263.60
  4. Step 4: Simplify right side
    33,130,719.60x = 642,250,999,286,066.12
  5. Step 5: Solve for x
    x = 642,250,999,286,066.12/33,130,719.60
  6. Step 6: Final answer
    x = 19,385,362.20

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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.