Home / 30,209,411.80-45,314,117.70-10,014,653.80

Finding the Fourth Proportional to 30,209,411.80, 45,314,117.70 and 10,014,653.80

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Solution

The fourth proportional to 30,209,411.80, 45,314,117.70 and 10,014,653.80 is: 15,021,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209,411.80 : 45,314,117.70 = 10,014,653.80 : x
  2. Step 2: Convert to fraction form
    30,209,411.80/45,314,117.70 = 10,014,653.80/x
  3. Step 3: Cross multiply
    30,209,411.80x = 45,314,117.70 × 10,014,653.80
  4. Step 4: Simplify right side
    30,209,411.80x = 453,805,201,017,952.31
  5. Step 5: Solve for x
    x = 453,805,201,017,952.31/30,209,411.80
  6. Step 6: Final answer
    x = 15,021,980.70

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1.5x scale

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.