Home / 13,223,683.80-18,249,140.46-7,343,416.92

Finding the Fourth Proportional to 13,223,683.80, 18,249,140.46 and 7,343,416.92

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Solution

The fourth proportional to 13,223,683.80, 18,249,140.46 and 7,343,416.92 is: 10,134,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,683.80 : 18,249,140.46 = 7,343,416.92 : x
  2. Step 2: Convert to fraction form
    13,223,683.80/18,249,140.46 = 7,343,416.92/x
  3. Step 3: Cross multiply
    13,223,683.80x = 18,249,140.46 × 7,343,416.92
  4. Step 4: Simplify right side
    13,223,683.80x = 134,011,046,829,420.59
  5. Step 5: Solve for x
    x = 134,011,046,829,420.59/13,223,683.80
  6. Step 6: Final answer
    x = 10,134,169.03

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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.