Home / 19,931,493.60-29,897,240.40-4,785,425.10

Finding the Fourth Proportional to 19,931,493.60, 29,897,240.40 and 4,785,425.10

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Solution

The fourth proportional to 19,931,493.60, 29,897,240.40 and 4,785,425.10 is: 7,178,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,493.60 : 29,897,240.40 = 4,785,425.10 : x
  2. Step 2: Convert to fraction form
    19,931,493.60/29,897,240.40 = 4,785,425.10/x
  3. Step 3: Cross multiply
    19,931,493.60x = 29,897,240.40 × 4,785,425.10
  4. Step 4: Simplify right side
    19,931,493.60x = 143,071,004,630,894.03
  5. Step 5: Solve for x
    x = 143,071,004,630,894.03/19,931,493.60
  6. Step 6: Final answer
    x = 7,178,137.65

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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.