Home / 12,142,750.68-16,759,069.02-7,248,225.24

Finding the Fourth Proportional to 12,142,750.68, 16,759,069.02 and 7,248,225.24

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Solution

The fourth proportional to 12,142,750.68, 16,759,069.02 and 7,248,225.24 is: 10,003,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142,750.68 : 16,759,069.02 = 7,248,225.24 : x
  2. Step 2: Convert to fraction form
    12,142,750.68/16,759,069.02 = 7,248,225.24/x
  3. Step 3: Cross multiply
    12,142,750.68x = 16,759,069.02 × 7,248,225.24
  4. Step 4: Simplify right side
    12,142,750.68x = 121,473,507,069,666.06
  5. Step 5: Solve for x
    x = 121,473,507,069,666.06/12,142,750.68
  6. Step 6: Final answer
    x = 10,003,788.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.