Home / 28,334,865.60-42,502,298.40-10,381,636.80

Finding the Fourth Proportional to 28,334,865.60, 42,502,298.40 and 10,381,636.80

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Solution

The fourth proportional to 28,334,865.60, 42,502,298.40 and 10,381,636.80 is: 15,572,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334,865.60 : 42,502,298.40 = 10,381,636.80 : x
  2. Step 2: Convert to fraction form
    28,334,865.60/42,502,298.40 = 10,381,636.80/x
  3. Step 3: Cross multiply
    28,334,865.60x = 42,502,298.40 × 10,381,636.80
  4. Step 4: Simplify right side
    28,334,865.60x = 441,243,425,154,021.12
  5. Step 5: Solve for x
    x = 441,243,425,154,021.12/28,334,865.60
  6. Step 6: Final answer
    x = 15,572,455.20

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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.