Finding the Fourth Proportional to 30,423,502.62, 41,984,579.81 and 16,484,854.05
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Solution
The fourth proportional to 30,423,502.62, 41,984,579.81 and 16,484,854.05 is: 22,749,177.80
Step by Step Solution
- Step 1: Write the proportion equation
30,423,502.62 : 41,984,579.81 = 16,484,854.05 : x - Step 2: Convert to fraction form
30,423,502.62/41,984,579.81 = 16,484,854.05/x - Step 3: Cross multiply
30,423,502.62x = 41,984,579.81 × 16,484,854.05 - Step 4: Simplify right side
30,423,502.62x = 692,109,670,518,426.75 - Step 5: Solve for x
x = 692,109,670,518,426.75/30,423,502.62 - Step 6: Final answer
x = 22,749,177.80
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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.