Home / 30,838,308.38-42,556,915.58-16,897,448.19

Finding the Fourth Proportional to 30,838,308.38, 42,556,915.58 and 16,897,448.19

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Solution

The fourth proportional to 30,838,308.38, 42,556,915.58 and 16,897,448.19 is: 23,318,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,838,308.38 : 42,556,915.58 = 16,897,448.19 : x
  2. Step 2: Convert to fraction form
    30,838,308.38/42,556,915.58 = 16,897,448.19/x
  3. Step 3: Cross multiply
    30,838,308.38x = 42,556,915.58 × 16,897,448.19
  4. Step 4: Simplify right side
    30,838,308.38x = 719,103,276,139,253.88
  5. Step 5: Solve for x
    x = 719,103,276,139,253.88/30,838,308.38
  6. Step 6: Final answer
    x = 23,318,505.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.