Finding the Fourth Proportional to 48,551,341.30, 72,827,011.95 and 19,781,793.70
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Solution
The fourth proportional to 48,551,341.30, 72,827,011.95 and 19,781,793.70 is: 29,672,690.55
Step by Step Solution
- Step 1: Write the proportion equation
48,551,341.30 : 72,827,011.95 = 19,781,793.70 : x - Step 2: Convert to fraction form
48,551,341.30/72,827,011.95 = 19,781,793.70/x - Step 3: Cross multiply
48,551,341.30x = 72,827,011.95 × 19,781,793.70 - Step 4: Simplify right side
48,551,341.30x = 1,440,648,926,182,334.75 - Step 5: Solve for x
x = 1,440,648,926,182,334.75/48,551,341.30 - Step 6: Final answer
x = 29,672,690.55
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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.