Home / 6,519,965.40-9,779,948.10-5,011,263.45

Finding the Fourth Proportional to 6,519,965.40, 9,779,948.10 and 5,011,263.45

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Solution

The fourth proportional to 6,519,965.40, 9,779,948.10 and 5,011,263.45 is: 7,516,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519,965.40 : 9,779,948.10 = 5,011,263.45 : x
  2. Step 2: Convert to fraction form
    6,519,965.40/9,779,948.10 = 5,011,263.45/x
  3. Step 3: Cross multiply
    6,519,965.40x = 9,779,948.10 × 5,011,263.45
  4. Step 4: Simplify right side
    6,519,965.40x = 49,009,896,456,426.95
  5. Step 5: Solve for x
    x = 49,009,896,456,426.95/6,519,965.40
  6. Step 6: Final answer
    x = 7,516,895.18

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Double scale
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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.