Home / 13,909,811.77-19,173,368.40-10,964,829.47

Finding the Fourth Proportional to 13,909,811.77, 19,173,368.40 and 10,964,829.47

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Solution

The fourth proportional to 13,909,811.77, 19,173,368.40 and 10,964,829.47 is: 15,113,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,811.77 : 19,173,368.40 = 10,964,829.47 : x
  2. Step 2: Convert to fraction form
    13,909,811.77/19,173,368.40 = 10,964,829.47/x
  3. Step 3: Cross multiply
    13,909,811.77x = 19,173,368.40 × 10,964,829.47
  4. Step 4: Simplify right side
    13,909,811.77x = 210,232,714,796,178.97
  5. Step 5: Solve for x
    x = 210,232,714,796,178.97/13,909,811.77
  6. Step 6: Final answer
    x = 15,113,987.04

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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.