Home / 12,470,931.96-18,706,389.93-9,080,784.66

Finding the Fourth Proportional to 12,470,931.96, 18,706,389.93 and 9,080,784.66

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Solution

The fourth proportional to 12,470,931.96, 18,706,389.93 and 9,080,784.66 is: 13,621,171.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,931.96 : 18,706,389.93 = 9,080,784.66 : x
  2. Step 2: Convert to fraction form
    12,470,931.96/18,706,389.93 = 9,080,784.66/x
  3. Step 3: Cross multiply
    12,470,931.96x = 18,706,389.93 × 9,080,784.66
  4. Step 4: Simplify right side
    12,470,931.96x = 169,868,698,720,322.47
  5. Step 5: Solve for x
    x = 169,868,698,720,322.47/12,470,931.96
  6. Step 6: Final answer
    x = 13,621,171.16

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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.