Finding the Fourth Proportional to 19,499,746.56, 26,909,319.68 and 10,797,733.12
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Solution
The fourth proportional to 19,499,746.56, 26,909,319.68 and 10,797,733.12 is: 14,900,688.66
Step by Step Solution
- Step 1: Write the proportion equation
19,499,746.56 : 26,909,319.68 = 10,797,733.12 : x - Step 2: Convert to fraction form
19,499,746.56/26,909,319.68 = 10,797,733.12/x - Step 3: Cross multiply
19,499,746.56x = 26,909,319.68 × 10,797,733.12 - Step 4: Simplify right side
19,499,746.56x = 290,559,652,345,403.75 - Step 5: Solve for x
x = 290,559,652,345,403.75/19,499,746.56 - Step 6: Final answer
x = 14,900,688.66
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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.