Home / 42,697,455.60-64,050,121.04-13,943,740.80

Finding the Fourth Proportional to 42,697,455.60, 64,050,121.04 and 13,943,740.80

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Solution

The fourth proportional to 42,697,455.60, 64,050,121.04 and 13,943,740.80 is: 20,916,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,697,455.60 : 64,050,121.04 = 13,943,740.80 : x
  2. Step 2: Convert to fraction form
    42,697,455.60/64,050,121.04 = 13,943,740.80/x
  3. Step 3: Cross multiply
    42,697,455.60x = 64,050,121.04 × 13,943,740.80
  4. Step 4: Simplify right side
    42,697,455.60x = 893,098,285,990,386.50
  5. Step 5: Solve for x
    x = 893,098,285,990,386.50/42,697,455.60
  6. Step 6: Final answer
    x = 20,916,897.12

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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.