Home / 12,458,330.20-18,686,112.90-10,210,547.80

Finding the Fourth Proportional to 12,458,330.20, 18,686,112.90 and 10,210,547.80

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Solution

The fourth proportional to 12,458,330.20, 18,686,112.90 and 10,210,547.80 is: 15,314,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,330.20 : 18,686,112.90 = 10,210,547.80 : x
  2. Step 2: Convert to fraction form
    12,458,330.20/18,686,112.90 = 10,210,547.80/x
  3. Step 3: Cross multiply
    12,458,330.20x = 18,686,112.90 × 10,210,547.80
  4. Step 4: Simplify right side
    12,458,330.20x = 190,795,448,961,646.62
  5. Step 5: Solve for x
    x = 190,795,448,961,646.62/12,458,330.20
  6. Step 6: Final answer
    x = 15,314,688.72

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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.