Home / 15,870,643.34-21,862,614.03-11,506,907.66

Finding the Fourth Proportional to 15,870,643.34, 21,862,614.03 and 11,506,907.66

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Solution

The fourth proportional to 15,870,643.34, 21,862,614.03 and 11,506,907.66 is: 15,851,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870,643.34 : 21,862,614.03 = 11,506,907.66 : x
  2. Step 2: Convert to fraction form
    15,870,643.34/21,862,614.03 = 11,506,907.66/x
  3. Step 3: Cross multiply
    15,870,643.34x = 21,862,614.03 × 11,506,907.66
  4. Step 4: Simplify right side
    15,870,643.34x = 251,571,080,849,430.50
  5. Step 5: Solve for x
    x = 251,571,080,849,430.50/15,870,643.34
  6. Step 6: Final answer
    x = 15,851,347.39

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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.