Home / 12,426,458.40-18,618,400.80-9,875,541.60

Finding the Fourth Proportional to 12,426,458.40, 18,618,400.80 and 9,875,541.60

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Solution

The fourth proportional to 12,426,458.40, 18,618,400.80 and 9,875,541.60 is: 14,796,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,458.40 : 18,618,400.80 = 9,875,541.60 : x
  2. Step 2: Convert to fraction form
    12,426,458.40/18,618,400.80 = 9,875,541.60/x
  3. Step 3: Cross multiply
    12,426,458.40x = 18,618,400.80 × 9,875,541.60
  4. Step 4: Simplify right side
    12,426,458.40x = 183,866,791,625,873.28
  5. Step 5: Solve for x
    x = 183,866,791,625,873.28/12,426,458.40
  6. Step 6: Final answer
    x = 14,796,395.38

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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.