Home / 6,620,154.30-9,139,888.80-5,249,036.52

Finding the Fourth Proportional to 6,620,154.30, 9,139,888.80 and 5,249,036.52

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Solution

The fourth proportional to 6,620,154.30, 9,139,888.80 and 5,249,036.52 is: 7,246,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,154.30 : 9,139,888.80 = 5,249,036.52 : x
  2. Step 2: Convert to fraction form
    6,620,154.30/9,139,888.80 = 5,249,036.52/x
  3. Step 3: Cross multiply
    6,620,154.30x = 9,139,888.80 × 5,249,036.52
  4. Step 4: Simplify right side
    6,620,154.30x = 47,975,610,099,938.98
  5. Step 5: Solve for x
    x = 47,975,610,099,938.98/6,620,154.30
  6. Step 6: Final answer
    x = 7,246,902.10

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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.