Home / 28,248,323.40-42,372,485.10-21,871,031.40

Finding the Fourth Proportional to 28,248,323.40, 42,372,485.10 and 21,871,031.40

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Solution

The fourth proportional to 28,248,323.40, 42,372,485.10 and 21,871,031.40 is: 32,806,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248,323.40 : 42,372,485.10 = 21,871,031.40 : x
  2. Step 2: Convert to fraction form
    28,248,323.40/42,372,485.10 = 21,871,031.40/x
  3. Step 3: Cross multiply
    28,248,323.40x = 42,372,485.10 × 21,871,031.40
  4. Step 4: Simplify right side
    28,248,323.40x = 926,729,952,118,132.12
  5. Step 5: Solve for x
    x = 926,729,952,118,132.12/28,248,323.40
  6. Step 6: Final answer
    x = 32,806,547.10

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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.