Home / 19,931,410.10-29,897,115.15-4,785,341.60

Finding the Fourth Proportional to 19,931,410.10, 29,897,115.15 and 4,785,341.60

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Solution

The fourth proportional to 19,931,410.10, 29,897,115.15 and 4,785,341.60 is: 7,178,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,410.10 : 29,897,115.15 = 4,785,341.60 : x
  2. Step 2: Convert to fraction form
    19,931,410.10/29,897,115.15 = 4,785,341.60/x
  3. Step 3: Cross multiply
    19,931,410.10x = 29,897,115.15 × 4,785,341.60
  4. Step 4: Simplify right side
    19,931,410.10x = 143,067,908,847,285.22
  5. Step 5: Solve for x
    x = 143,067,908,847,285.22/19,931,410.10
  6. Step 6: Final answer
    x = 7,178,012.40

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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.