Home / 13,223,684.80-18,249,141.84-7,343,417.92

Finding the Fourth Proportional to 13,223,684.80, 18,249,141.84 and 7,343,417.92

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Solution

The fourth proportional to 13,223,684.80, 18,249,141.84 and 7,343,417.92 is: 10,134,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,684.80 : 18,249,141.84 = 7,343,417.92 : x
  2. Step 2: Convert to fraction form
    13,223,684.80/18,249,141.84 = 7,343,417.92/x
  3. Step 3: Cross multiply
    13,223,684.80x = 18,249,141.84 × 7,343,417.92
  4. Step 4: Simplify right side
    13,223,684.80x = 134,011,075,212,477.77
  5. Step 5: Solve for x
    x = 134,011,075,212,477.77/13,223,684.80
  6. Step 6: Final answer
    x = 10,134,170.41

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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.