Finding the Fourth Proportional to 19,195,740.90, 26,490,437.37 and 11,461,459.14
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Solution
The fourth proportional to 19,195,740.90, 26,490,437.37 and 11,461,459.14 is: 15,817,001.65
Step by Step Solution
- Step 1: Write the proportion equation
19,195,740.90 : 26,490,437.37 = 11,461,459.14 : x - Step 2: Convert to fraction form
19,195,740.90/26,490,437.37 = 11,461,459.14/x - Step 3: Cross multiply
19,195,740.90x = 26,490,437.37 × 11,461,459.14 - Step 4: Simplify right side
19,195,740.90x = 303,619,065,516,984.06 - Step 5: Solve for x
x = 303,619,065,516,984.06/19,195,740.90 - Step 6: Final answer
x = 15,817,001.65
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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.