Home / 13,065,030.81-18,030,035.16-7,184,292.30

Finding the Fourth Proportional to 13,065,030.81, 18,030,035.16 and 7,184,292.30

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Solution

The fourth proportional to 13,065,030.81, 18,030,035.16 and 7,184,292.30 is: 9,914,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,030.81 : 18,030,035.16 = 7,184,292.30 : x
  2. Step 2: Convert to fraction form
    13,065,030.81/18,030,035.16 = 7,184,292.30/x
  3. Step 3: Cross multiply
    13,065,030.81x = 18,030,035.16 × 7,184,292.30
  4. Step 4: Simplify right side
    13,065,030.81x = 129,533,042,768,717.27
  5. Step 5: Solve for x
    x = 129,533,042,768,717.27/13,065,030.81
  6. Step 6: Final answer
    x = 9,914,484.29

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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.