Home / 8,201,931.60-12,302,897.40-5,013,285.60

Finding the Fourth Proportional to 8,201,931.60, 12,302,897.40 and 5,013,285.60

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Solution

The fourth proportional to 8,201,931.60, 12,302,897.40 and 5,013,285.60 is: 7,519,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,931.60 : 12,302,897.40 = 5,013,285.60 : x
  2. Step 2: Convert to fraction form
    8,201,931.60/12,302,897.40 = 5,013,285.60/x
  3. Step 3: Cross multiply
    8,201,931.60x = 12,302,897.40 × 5,013,285.60
  4. Step 4: Simplify right side
    8,201,931.60x = 61,677,938,373,697.44
  5. Step 5: Solve for x
    x = 61,677,938,373,697.44/8,201,931.60
  6. Step 6: Final answer
    x = 7,519,928.40

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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.