Home / 30,307,417.46-45,461,520.12-10,112,659.46

Finding the Fourth Proportional to 30,307,417.46, 45,461,520.12 and 10,112,659.46

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Solution

The fourth proportional to 30,307,417.46, 45,461,520.12 and 10,112,659.46 is: 15,169,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307,417.46 : 45,461,520.12 = 10,112,659.46 : x
  2. Step 2: Convert to fraction form
    30,307,417.46/45,461,520.12 = 10,112,659.46/x
  3. Step 3: Cross multiply
    30,307,417.46x = 45,461,520.12 × 10,112,659.46
  4. Step 4: Simplify right side
    30,307,417.46x = 459,736,871,507,498.38
  5. Step 5: Solve for x
    x = 459,736,871,507,498.38/30,307,417.46
  6. Step 6: Final answer
    x = 15,169,120.63

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1.5x scale

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.