Finding the Fourth Proportional to 15,581,363.13, 23,478,398.85 and 12,803,698.17
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Solution
The fourth proportional to 15,581,363.13, 23,478,398.85 and 12,803,698.17 is: 19,292,941.82
Step by Step Solution
- Step 1: Write the proportion equation
15,581,363.13 : 23,478,398.85 = 12,803,698.17 : x - Step 2: Convert to fraction form
15,581,363.13/23,478,398.85 = 12,803,698.17/x - Step 3: Cross multiply
15,581,363.13x = 23,478,398.85 × 12,803,698.17 - Step 4: Simplify right side
15,581,363.13x = 300,610,332,390,275.12 - Step 5: Solve for x
x = 300,610,332,390,275.12/15,581,363.13 - Step 6: Final answer
x = 19,292,941.82
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.