Home / 30,626,606.80-42,266,600.04-16,875,567.28

Finding the Fourth Proportional to 30,626,606.80, 42,266,600.04 and 16,875,567.28

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Solution

The fourth proportional to 30,626,606.80, 42,266,600.04 and 16,875,567.28 is: 23,289,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626,606.80 : 42,266,600.04 = 16,875,567.28 : x
  2. Step 2: Convert to fraction form
    30,626,606.80/42,266,600.04 = 16,875,567.28/x
  3. Step 3: Cross multiply
    30,626,606.80x = 42,266,600.04 × 16,875,567.28
  4. Step 4: Simplify right side
    30,626,606.80x = 713,272,852,671,870.75
  5. Step 5: Solve for x
    x = 713,272,852,671,870.75/30,626,606.80
  6. Step 6: Final answer
    x = 23,289,320.21

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1.5x scale

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.