Home / 14,570,999.79-20,109,742.95-8,293,053.51

Finding the Fourth Proportional to 14,570,999.79, 20,109,742.95 and 8,293,053.51

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Solution

The fourth proportional to 14,570,999.79, 20,109,742.95 and 8,293,053.51 is: 11,445,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570,999.79 : 20,109,742.95 = 8,293,053.51 : x
  2. Step 2: Convert to fraction form
    14,570,999.79/20,109,742.95 = 8,293,053.51/x
  3. Step 3: Cross multiply
    14,570,999.79x = 20,109,742.95 × 8,293,053.51
  4. Step 4: Simplify right side
    14,570,999.79x = 166,771,174,270,917.41
  5. Step 5: Solve for x
    x = 166,771,174,270,917.41/14,570,999.79
  6. Step 6: Final answer
    x = 11,445,417.38

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1.5x scale

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.