Home / 10,302,008.80-15,453,013.20-6,519,762.40

Finding the Fourth Proportional to 10,302,008.80, 15,453,013.20 and 6,519,762.40

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Solution

The fourth proportional to 10,302,008.80, 15,453,013.20 and 6,519,762.40 is: 9,779,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302,008.80 : 15,453,013.20 = 6,519,762.40 : x
  2. Step 2: Convert to fraction form
    10,302,008.80/15,453,013.20 = 6,519,762.40/x
  3. Step 3: Cross multiply
    10,302,008.80x = 15,453,013.20 × 6,519,762.40
  4. Step 4: Simplify right side
    10,302,008.80x = 100,749,974,428,063.69
  5. Step 5: Solve for x
    x = 100,749,974,428,063.69/10,302,008.80
  6. Step 6: Final answer
    x = 9,779,643.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.