Home / 19,931,408.10-29,897,112.15-4,785,339.60

Finding the Fourth Proportional to 19,931,408.10, 29,897,112.15 and 4,785,339.60

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Solution

The fourth proportional to 19,931,408.10, 29,897,112.15 and 4,785,339.60 is: 7,178,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,408.10 : 29,897,112.15 = 4,785,339.60 : x
  2. Step 2: Convert to fraction form
    19,931,408.10/29,897,112.15 = 4,785,339.60/x
  3. Step 3: Cross multiply
    19,931,408.10x = 29,897,112.15 × 4,785,339.60
  4. Step 4: Simplify right side
    19,931,408.10x = 143,067,834,697,036.12
  5. Step 5: Solve for x
    x = 143,067,834,697,036.12/19,931,408.10
  6. Step 6: Final answer
    x = 7,178,009.40

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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.