Finding the Fourth Proportional to 7,779,140.68, 10,736,296.14 and 4,341,603.12
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Solution
The fourth proportional to 7,779,140.68, 10,736,296.14 and 4,341,603.12 is: 5,992,016.18
Step by Step Solution
- Step 1: Write the proportion equation
7,779,140.68 : 10,736,296.14 = 4,341,603.12 : x - Step 2: Convert to fraction form
7,779,140.68/10,736,296.14 = 4,341,603.12/x - Step 3: Cross multiply
7,779,140.68x = 10,736,296.14 × 4,341,603.12 - Step 4: Simplify right side
7,779,140.68x = 46,612,736,818,667.96 - Step 5: Solve for x
x = 46,612,736,818,667.96/7,779,140.68 - Step 6: Final answer
x = 5,992,016.18
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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.