Home / 30,688,294.56-42,349,637.88-16,937,258.28

Finding the Fourth Proportional to 30,688,294.56, 42,349,637.88 and 16,937,258.28

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Solution

The fourth proportional to 30,688,294.56, 42,349,637.88 and 16,937,258.28 is: 23,373,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688,294.56 : 42,349,637.88 = 16,937,258.28 : x
  2. Step 2: Convert to fraction form
    30,688,294.56/42,349,637.88 = 16,937,258.28/x
  3. Step 3: Cross multiply
    30,688,294.56x = 42,349,637.88 × 16,937,258.28
  4. Step 4: Simplify right side
    30,688,294.56x = 717,286,754,838,031.75
  5. Step 5: Solve for x
    x = 717,286,754,838,031.75/30,688,294.56
  6. Step 6: Final answer
    x = 23,373,301.29

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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.