Home / 7,880,030.40-11,820,047.68-1,896,398.40

Finding the Fourth Proportional to 7,880,030.40, 11,820,047.68 and 1,896,398.40

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Solution

The fourth proportional to 7,880,030.40, 11,820,047.68 and 1,896,398.40 is: 2,844,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,030.40 : 11,820,047.68 = 1,896,398.40 : x
  2. Step 2: Convert to fraction form
    7,880,030.40/11,820,047.68 = 1,896,398.40/x
  3. Step 3: Cross multiply
    7,880,030.40x = 11,820,047.68 × 1,896,398.40
  4. Step 4: Simplify right side
    7,880,030.40x = 22,415,519,508,275.71
  5. Step 5: Solve for x
    x = 22,415,519,508,275.71/7,880,030.40
  6. Step 6: Final answer
    x = 2,844,598.10

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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.