Finding the Fourth Proportional to 15,581,372.49, 23,478,412.98 and 12,803,707.53
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Solution
The fourth proportional to 15,581,372.49, 23,478,412.98 and 12,803,707.53 is: 19,292,955.95
Step by Step Solution
- Step 1: Write the proportion equation
15,581,372.49 : 23,478,412.98 = 12,803,707.53 : x - Step 2: Convert to fraction form
15,581,372.49/23,478,412.98 = 12,803,707.53/x - Step 3: Cross multiply
15,581,372.49x = 23,478,412.98 × 12,803,707.53 - Step 4: Simplify right side
15,581,372.49x = 300,610,733,112,489.62 - Step 5: Solve for x
x = 300,610,733,112,489.62/15,581,372.49 - Step 6: Final answer
x = 19,292,955.95
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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.