Home / 21,004,479.60-31,506,719.40-5,048,127.60

Finding the Fourth Proportional to 21,004,479.60, 31,506,719.40 and 5,048,127.60

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Solution

The fourth proportional to 21,004,479.60, 31,506,719.40 and 5,048,127.60 is: 7,572,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,479.60 : 31,506,719.40 = 5,048,127.60 : x
  2. Step 2: Convert to fraction form
    21,004,479.60/31,506,719.40 = 5,048,127.60/x
  3. Step 3: Cross multiply
    21,004,479.60x = 31,506,719.40 × 5,048,127.60
  4. Step 4: Simplify right side
    21,004,479.60x = 159,049,939,788,595.41
  5. Step 5: Solve for x
    x = 159,049,939,788,595.41/21,004,479.60
  6. Step 6: Final answer
    x = 7,572,191.40

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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.