Home / 30,430,017.42-41,997,931.09-19,267,547.94

Finding the Fourth Proportional to 30,430,017.42, 41,997,931.09 and 19,267,547.94

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Solution

The fourth proportional to 30,430,017.42, 41,997,931.09 and 19,267,547.94 is: 26,592,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430,017.42 : 41,997,931.09 = 19,267,547.94 : x
  2. Step 2: Convert to fraction form
    30,430,017.42/41,997,931.09 = 19,267,547.94/x
  3. Step 3: Cross multiply
    30,430,017.42x = 41,997,931.09 × 19,267,547.94
  4. Step 4: Simplify right side
    30,430,017.42x = 809,197,150,657,391.62
  5. Step 5: Solve for x
    x = 809,197,150,657,391.62/30,430,017.42
  6. Step 6: Final answer
    x = 26,592,069.91

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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.