Home / 30,330,428-45,495,642-10,135,670

Finding the Fourth Proportional to 30,330,428, 45,495,642 and 10,135,670

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Solution

The fourth proportional to 30,330,428, 45,495,642 and 10,135,670 is: 15,203,505

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,428 : 45,495,642 = 10,135,670 : x
  2. Step 2: Convert to fraction form
    30,330,428/45,495,642 = 10,135,670/x
  3. Step 3: Cross multiply
    30,330,428x = 45,495,642 × 10,135,670
  4. Step 4: Simplify right side
    30,330,428x = 461,128,813,750,140
  5. Step 5: Solve for x
    x = 461,128,813,750,140/30,330,428
  6. Step 6: Final answer
    x = 15,203,505

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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.