Home / 6,620,153.81-9,139,888.13-5,249,036.03

Finding the Fourth Proportional to 6,620,153.81, 9,139,888.13 and 5,249,036.03

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Solution

The fourth proportional to 6,620,153.81, 9,139,888.13 and 5,249,036.03 is: 7,246,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,153.81 : 9,139,888.13 = 5,249,036.03 : x
  2. Step 2: Convert to fraction form
    6,620,153.81/9,139,888.13 = 5,249,036.03/x
  3. Step 3: Cross multiply
    6,620,153.81x = 9,139,888.13 × 5,249,036.03
  4. Step 4: Simplify right side
    6,620,153.81x = 47,975,602,032,594.70
  5. Step 5: Solve for x
    x = 47,975,602,032,594.70/6,620,153.81
  6. Step 6: Final answer
    x = 7,246,901.42

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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.