Home / 30,617,343.84-42,249,928.80-16,866,308.16

Finding the Fourth Proportional to 30,617,343.84, 42,249,928.80 and 16,866,308.16

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Solution

The fourth proportional to 30,617,343.84, 42,249,928.80 and 16,866,308.16 is: 23,274,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617,343.84 : 42,249,928.80 = 16,866,308.16 : x
  2. Step 2: Convert to fraction form
    30,617,343.84/42,249,928.80 = 16,866,308.16/x
  3. Step 3: Cross multiply
    30,617,343.84x = 42,249,928.80 × 16,866,308.16
  4. Step 4: Simplify right side
    30,617,343.84x = 712,600,318,878,859
  5. Step 5: Solve for x
    x = 712,600,318,878,859/30,617,343.84
  6. Step 6: Final answer
    x = 23,274,400.37

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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.