Home / 30,441,946-45,655,931.48-18,149,387.60

Finding the Fourth Proportional to 30,441,946, 45,655,931.48 and 18,149,387.60

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Solution

The fourth proportional to 30,441,946, 45,655,931.48 and 18,149,387.60 is: 27,219,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,441,946 : 45,655,931.48 = 18,149,387.60 : x
  2. Step 2: Convert to fraction form
    30,441,946/45,655,931.48 = 18,149,387.60/x
  3. Step 3: Cross multiply
    30,441,946x = 45,655,931.48 × 18,149,387.60
  4. Step 4: Simplify right side
    30,441,946x = 828,627,196,669,561.62
  5. Step 5: Solve for x
    x = 828,627,196,669,561.62/30,441,946
  6. Step 6: Final answer
    x = 27,219,915.46

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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.